Unit price word problems
Divide the price by the size.
See worked examples
A store sells juice in two sizes: 1 L for $2.97 and 2 L for $5.32. Find the price per L of each. Which is the better buy?
Answer: $2.97 and $2.66 per L; the 2 L size
A store sells juice in two sizes: 3 L for $8.46 and 4 L for $10.52. Find the price per L of each. Which is the better buy?
Answer: $2.82 and $2.63 per L; the 4 L size
A store sells juice in two sizes: 1 L for $4.49 and 2 L for $10.70. Find the price per L of each. Which is the better buy?
Answer: $4.49 and $5.35 per L; the 1 L size
Tip: Divide the price by the size.
On paper: this skill is in the printable pack Grade 5 Money Problems: Shopping in Canada, with an answer key.
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