ANSWER GET BRAINIEST In Brad's golf bag, he has 3 times more white golf balls than yellow golf balls. He has 21 white golf balls in his bag.
Which equation can be used to find how many yellow golf balls, y, Brad has in his bag?
A.
3 + y = 21
B.
3y = 21
C.
21y = 3
D.
21 + y = 3
