Question

Price: $8.62 per 3 lb of strawberry

How much will it cost to buy 4.2 lb of strawberries? (Round to 2 decimal digits if necessary)

Answer 1

9514 1404 393

Answer:

$12.07

Explanation:

The cost is proportional to the weight, so we have ...

dollars/pounds = c/4.2 = 8.62/3

Multiplying by 4.2 gives ...

c = 4.2×8.62/3 = 12.068

The cost of 4.2 pounds of strawberries is $12.07.