topic badge

3.03 Personal budgets

Worksheet
Budgets
1

Paul's budget includes expenses for rent, school uniforms, essential food, snacks, electricity, water, internet and a video streaming site.

a

Which of these are best described as fixed expenses?

b

Which of these are best described as variable expenses?

c

Which of these are best described as discretionary expenses?

2

The table shows Fiona’s weekly budget:

a

Find the value of:

i
A
ii
B
b

Fiona saves any money that she has not spent. How much does Fiona save each week?

IncomeExpenses
\text{Wages}\$80\text{Phone}\$8.50
\text{Umpiring}\$25\text{Bus ticket}\$13
\text{Entertainment}B
\text{Food}\$45.25
\text{Total}A\text{Total}\$91.15
3

A weekly budget is shown in the table:

a

Calculate the weekly expenses.

b

Calculate the weekly savings.

c

Calculate the percentage of income saved correct to two decimal places.

d

Calculate the percentage of income spent on mortgage payments correct to two decimal places.

e

Calculate the amount paid on the mortgage in one year.

Income Expenses
\text{Earnings}\$505\text{Mortgage}\$147
\text{Electricity} \$23
\text{Food} \$64
\text{Council Rates} \$22
\text{Insurance} \$20
\text{Water} \$64
\text{Clothing} \$46
\text{Entertainment} \$56
4

Amelia earns a weekly salary of \$723 and receives income from other sources of \$126. Her weekly expenses are: rent \$199, groceries \$51, petrol \$33, electricity \$33, telephone \$23, magazines \$13 and clothes \$62. Calculate:

a
Her weekly income
b
Her weekly expenses
c
Her weekly savings
d
Her annual savings
5

A weekly budget has total expenses of \$1235 and a total income of \$1350. Assume there are 52 weeks in a year.

a

Find the weekly savings.

b

Find the annual savings.

6

Judy writes down a fortnightly budget and finds that she has total expenses of \$1830 and a total fortnightly income of \$1712.

a

Find the fortnightly defecit in dollars.

b

Judy is using her credit card to pay the budget deficit. How big is her credit card debt in dollars after 10 weeks? Assume there's no interest charged.

7

Oliver's driver's licence renewal costs \$135 each year. He is preparing a fortnightly budget. How much should he include in the fortnightly budget for driver's licence renewal?

8

Michael has a fortnightly income of \$1200 and his expenses are \$400 per fortnight for rent, \$140 per fortnight for food, \$90 per fortnight for transportation, and \$40 per month for his phone bill. Determine how much money Michael can save each fortnight.

9

Max creates the following fortnightly budget table:

a

Find the minimum amount that Max can put aside for savings each fortnight.

b

Max decides to eliminate all discretionary expenses to save for a new car. How much can he save per fortnight now?

Income Expenses
\text{Wage}\$1850\text{Rent}\$750
\text{Fuel}\$120
\text{Essential} \\ \text{groceries}\$190
\text{Take-away} \\ \text{dinners}\$55
\text{Take-away} \\ \text{coffees}\$50
\text{Electricity}\$42
\text{Water}\$33
\text{Phone and} \\ \text{internet}\$48
\text{Video} \\ \text{streaming site}\$7
Expenses
10

Sally earns \$610 per week. Her weekly work related expenses are \$185 on travel and \$86 on lunch. What percentage of her weekly income goes towards work related expenses?

11

Amerie pays rent of \$239 per week, and must budget for electricity and water costs of \$533 per quarter. How much should she put aside each week to cover these expenses?

12

Ursula is preparing a weekly budget. Her phone and internet bills combined is \$109 per month. How much should she set aside each week for this expense?

13

Edward's gas bill arrives quarterly and is \$120 on average. How much does he pay for gas each week?

14

Third party property insurance costs \$33.34 a month. What is the cost per week?

15

Ronald bought a new truck for \$25\,530. His vehicle registration is \$647 per year and his comprehensive insurance is \$76.95 per month. What is the total cost of registration and insurance per year?

16

Amelia earns a gross annual salary of \$34\,500. She wants to put aside equal monthly amounts towards starting her own business. If she must pay income tax of 24\% and other expenses adding up to \$19\,650 per annum, how much does she have left to set aside each month?

17

Buzz’s current income of \$327 is to increase by \$6.54, but his current expenses of \$114.45 are also set to increase by 4\%.

a

What percentage of his income is currently consumed by expenses?

b

Calcuate the percentage of income consumed by expenses after the increases. Give your answer to two decimal places if necessary.

c

Calculate the change in percentage of his income consumed by expenses.

18

Sally earns a weekly salary of \$1195 and receives income from other sources of \$181. Her weekly expenses are on the right:

Calculate:

a

The percentage of income saved, correct to two decimal places.

b

The percentage of income spent on magazines and clothes, correct to two decimal places.

c
The amount of rent paid annually.
d

The number of full weeks needed to accumulate enough savings to pay for a holiday that costs \$3800.

  • Rent \$122

  • Groceries \$97

  • Petrol \$60

  • Electricity \$46

  • Telephone \$28

  • Magazines \$10

  • Clothes \$79

19

Rosey wants to take out a car loan, making regular monthly repayments. She expects the other costs to be:

  • \$40 per week for petrol

  • \$80 per month for insurance

  • \$60 per annum for the renewal of her driver's license

  • \$400 every six months for servicing

  • \$600 per annum for registration

a

Calculate the equivalent annual cost of each of the following:

i

Petrol

ii

Insurance

iii

License

iv

Servicing

v

Registration

b

What is the total annual cost of running the car?

c

If she has an annual income of \$79\,000, and can spend 13\% of it on buying and running the car, what monthly repayment can she afford to make on the car loan?

20

Ellie has an annual income of \$65\,000 and wants to buy a house. The bank determines how much she can safely borrow by requiring that the weekly repayment is at most 40\% of her weekly income. Find her maximum weekly repayment.

21

Derek has an annual income of \$55\,000 and his partner Sam has an annual income of \$70\,000. Their expenses are:

  • Mortgage repayments of \$1800 per fortnight

  • Council rates of \$1640 per year

  • \$330 per quarter for electricity

  • \$110 per quarter for gas

  • \$240 per quarter for water

  • \$120 per week for fuel

  • \$1450 per year for vehicle registrations

  • \$90 per week for groceries

  • \$1600 per year for insurances

  • \$95 for phone and internet per month

  • \$110 per week for entertainment

  • \$120 for restaurants per week

a

Determine how much money Derek and Sam can save each week.

b

If Derek and Sam decide to put all their disposable income towards paying off their mortgage, what will their new fortnightly mortgage repayments be?

Sign up to access Worksheet
Get full access to our content with a Mathspace account

Outcomes

ACMGM004

prepare a personal budget for a given income taking into account fixed and discretionary spending

What is Mathspace

About Mathspace