Question

Which item costs less per ounce? How
much less?

Answer 1

Ketchup is cheaper per ounce by 3 cents or 0.03 of a dollar

Explanation:

To find the unit cost, divide the total cost by the number of units

2.80/20 = 0.14

2.38/14 = 0.17

Then we can subtract to find the difference

0.17 - 0.14 = 0.03

Answer 2

The ketchup cost less than the mustard

Explanation:

2.80/20 = 0.14

2.38/14 = 0.17

the ketchup is 3 cents less than the mustard per ounce.

i think this is right