Ratios and Rates

Hong Kong

Stage 1 - Stage 3

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

Easy

1min

Which is cheaper: $148$148 cherimoyas for $\$355.20$$355.20 at Shop ZYX or $252$252 cherimoyas for $\$655.20$$655.20 at Shop PWR?

Easy

1min

If $9600$9600 litres of water flow through a tap in $8$8 hours, what is the tap's flow rate per minute?

Easy

1min

Convert $600$600km/hr to km/min.

Easy

< 1min

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