Question

Which is the best buy?
A) A) 5 oz for 42¢
B) B) 24 oz for $1.68
C) C) 18 oz for $1.17
D) D) 26 oz for $2.39

Answer 1

A is incorrect.

Answer 2

Divide all the prices by the ounces. The lowest one wins. Think of 42¢ as $0.42.

Answer 3

A) 1oz is 8.4 cents
B) 1oz is 7 cents
C) 1oz is 6.5 cents
D) 1oz is approx. 9.2 cents

so it seems as though C) 18 oz for $1.17 would be the "best buy"