Question 6286
You will need to assign a variable for the cost per pound of the mixture.

Let this be C.

24 lbs($5.00) + 16 lbs($3.75) = 40 lbs(C)  Simplify and solve for C.
120 + 60 = 40C 
180 = 40C Divide both sides by 40.
C = $4.50 The cost per pound of the mixture.