Percentages
Hong Kong
Stage 2
Best Buys and Discounts
Interactive practice questions
For the following rates, calculate the price per unit to the nearest cent.
a
If $141$141 g costs $\$15$$15, how much does $1$1 g cost?
b
If $274$274 mL costs $\$7$$7, how much does $1$1 mL cost?
c
If $26.2$26.2 m costs $\$17$$17, how much does $1$1 m cost?
Easy2 min
Calculate the amount per dollar to two decimal places if you can buy:
Easy2 min
By calculating either the cost per unit or amount per dollar for each item, determine which item is the better value.
Easy1 min
There are three brands of bottled water in the market. By calculating either the cost per litre or amount per dollar for each brand, determine which brand is:
Easy< 1 min
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