Question

The school store sold a total of 55 shirts for $620. The shirts sold were either red or white. If the red shirts sold for $12 each and the white shirts sold for $10 each, how many color of each shirt were sold?

Answer 1

$12R + $10W = $620

r=35

w=20

Explanation:

Answer 2

I used trial and error. It's a great method.

35 blue shirts

20 gray shirts

35*12=420

20*10=200

420+200=620.

Explanation: