At a local track meet, rcms won 3 blue ribbons than red ribbons. they also won 7 more yellow ribbons than red ribbons. rcms won a total of 28 ribbons. how many of each color did rcms win?

Let no red ribbons=x
no. Of blue ribbons=x+3
No. Of yellow ribb9ns=x+7
Totsl ribbons=28
28=x+x+3+x+7
28=3x+10
3x=28-10
3x=18
X=18/3
X=6

No .of red ribbons=6
No. Of blue ribbons=x+3=9
No. Of yellow ribbons=x+7=13