Question

A local boys club sold 176 bags of mulch and made a total of 520. It sold two types of mulch hardwood for 3.50 a bag and pine bark for 2.75 a bag. How many bags of each kind of mulch did it sell

Answer 1

Not enough information.... it could be any amount of each by multiples

Answer 2

It's a system of equations.
x+y=176
3.50x+2.75y=520

then solve

x is hardwood bags sold and y is pinebark bags sold