Question

you need to buy 10lb of rice. A 2lb bag costs $1.29. A 10lb bag costs $6.99. You want to buy a 10lb bag. your friend thinks buying a five 2lb bag is a better deal because the unit rate is lower. Is your friend correct?

Answer 1

Yes your friend is correct. If you buy five bags of the 2 lb bag then you will pay $0.54 less than what you would have to pay for a 10lb bag.

Explanation:

1.29 x 5 = 6.45

6.99 - 6.45 = 0.54