Chris has 28 t-shirts. One-fourth of the t-shirts are red, three-sevenths of the t-shirts are blue; the remainder of the t-shirts are gray. How many gray t-shirts does he own?

He own 9 gray t-shirts

Step-by-step explanation:

Red: 28 * 1/4

Blue: 28 * 3/7

Gray: x

28(1/4) + 28(3/7) + x = 28

    7     +     12     + x = 28

                             x = 28 - 7 - 12

                             x = 9

stethere all not eveanp-by-step explanation:

with btw u said 100pts but it clearly says

i answerd and just got 10pts

no hate