Question

A display at a grocery store for tomato soup says "5 cans for $3.00." At the same rate, what would be the cost of 8 cans of tomato soup?

Answer 1

4.8 $

Explanation:

5 cans = 3 $

then:

1 can = 0.6 $ because 0.6*5 = 3

Now 0.6*8 cans = 4.8 $

Answer 2

$4.80

Explanation:

The cost will be proportional to the number of cans. If the number of cans goes up by a factor of 8/5, so does the cost.

cost of 8 = (8/5)($3.00) = $4.80