NZ Level 6 (NZC) Level 1 (NCEA)
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Rates I

Interactive practice questions

Which of the following is cheaper per item: $6$6 pencil cases for $\$24$$24 at Shop ZYX or $9$9 pencil cases for $\$54$$54 at Shop PWR?

a

What is the cost of a single pencil case at Shop ZYX?

b

What is the cost of a single pencil case at Shop PWR?

c

Hence which is the best place to buy pencil cases, if you want the best price per item?

Shop ZYX

A

Shop PWR

B

Shop ZYX

A

Shop PWR

B
Easy
Approx a minute
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Which is cheaper: $148$148 mangos for $\$384.80$$384.80 at Shop ZYX or $252$252 mangos for $\$453.60$$453.60 at Shop PWR?

An industrial detergent requires $19$19 mL of water to be added to every $1$1 mL of the detergent for safe usage.
How many litres of water must be added to $610$610 mL of detergent?

The admission for a concert starts at 6pm and closes at 7pm. If there are 900 people attending and they arrive at a constant rate, what is the flow of people per minute?

Outcomes

NA6-1

Apply direct and inverse relationships with linear proportions

91026

Apply numeric reasoning in solving problems

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