Question

You can by 20 fluid ounces of shampoo for $4.40 at Wal Mart or 24 fluid ounces for $4.80 at Smith's. Which is the better buy?

Answer 1

Smith's

Explanation:

Walmart

4.40÷20=0.22

0.22 per ounce

Smith's

4.80÷24=0.2

0.20 per ounce

Smith's is cheaper