Which is better to buy? 8 cans for 2.80 or 4 cans for 1.24

To find the better buy, find the unit rate for each price.

8 cans for $2.80.

2.80/8

2.80 : 8 = 0.35

$0.35 per can

4 cans for $1.24.

1.24/4

1.24 : 4 = 0.31

$0.31 per can

4 cans for $1.24 is the better buy because it costs less than 8 cans for $2.80.

4 cans for 1.24 because it's sum=2.48