math
posted by Ellen Kho .
Mr. Caldwell buys 3 times as many basketballs as soccer ball, and 3 les that 4 times as many footballs as soccer balls. If he buys 37 balls all together, how many of each does he get?
This is a word problem that my teacher assigned, but I don't understand...
help please ^^
thank you.

Make equations from it.
3B=S
4F3=S
B+S+F=37