Question

You need to buy laundry detergent and your favorite brand comes in three different sizes. Size 1 costs $7 and is enough for 28 loads, size 2 costs $14.72 and is enough for 64 loads, and size 3 costs $24 and is enough for 100 loads.
Pick the size that has the best deal.

A. They are all the same
B. Size 1
C. Size 2

Answer 1

size 1 costs $7.00 and has 28 loads
size 2 costs $14.72 and has 64 loads
size 3 costs $24.00 and has 100 loads

The size that has the best deal will be size 2. 

0.25 x 28= $7
0.25 x 64=16 with savings of $1.28
0.25 x 100= $25 with a savings of $1.00