4.01 Percentages on the calculator
Express the following as decimals:
10\%
38.76\%
82.9\%
0.075\%
\dfrac{33\,100}{25}\%
9.25\%
\dfrac{67.2}{24}
0.07\%
0.65\%
736.5\%
303\%
51\% \times 83\%
70\% of 617
135\% \times 24.6
\dfrac{3}{4} of 65.86
72\% \div 3
Express the following as percentages:
0.61
0.4
\dfrac{15}{8}
\dfrac{581}{700}
\dfrac{291}{485}
\dfrac{357}{680}
0.411
0.876
\dfrac{93}{150}
\dfrac{21}{35}
1.1
\dfrac{3}{8}
\dfrac{9}{22}
\dfrac{97}{250}
899 out of 725
5.9 out of 0.32
76 out of 91.2
44 out of 64
Express 27.11\% as a fraction in simplest form.
Express 784\% as a fraction. Give your answer as a simplified mixed number.
Consider the following group of numbers:\dfrac{1}{4}, \, 80\%, \, 0.7
Rewrite the group as percentages
Hence, write the numbers in ascending order.
Consider the following statement:
\dfrac{67}{50} >154\%Convert \dfrac{67}{50} to a percentage.
Hence, state whether the statement is true or false.
Consider the following group of numbers:
56\%, \, \dfrac{5}{7}, \, \dfrac{8}{1000}, \, 0.9, \, 0.91, \, 50.8\%
State the number which has the largest value.
State the number which has the smallest value.
State the number which has a value closest to 0.5.
Calculate:
23\% of \dfrac{54}{17}
91.6\% of 97.3
317\% of \dfrac{23.6}{8}
126\% of 87.2
209\% of \dfrac{29}{22}
47.3\% of 1.764
Use a calculator to determine x in each of the following:
70\% of x is equal to 42.7
60\% of x is equal to 39.54
60.1\% of x is equal to 24.04
46\% of x is equal to 35.88
Give some examples of when it might be quicker not to use a calculator in percentage calculations.
The 64 girls at Victoria's party represent 80\% of all the guests. Find the total number of guests at the party.
A city has a yearly water supply of 27\,000\,000 megalitres. It gets 14\% of this water supply from melted snow. Find the amount of water that comes from melted snow each year.
A bag of potatoes weighs 50\text{ kg}. When more potatoes are added, the weight of the bag increases by 35\%. Find the new weight of the bag of potatoes.
Duncan is going to buy a hat that is marked as 25\% off. The original price was \$30.
Find the discount amount.
Find the discounted price that Duncan will pay for the hat.
Ryan scored 60\% on his Maths exam, which was marked out of 110. What was Ryan's actual mark out of 110?