Question 1064418
you want to find the cost per pound of protein.


A.  cost per pound of protein = 5.00 / (.15 * 5) = 6.67
B.  cost per pound of protein = 6.75 / (.19 * 5) = 7.11
C.  cost per pound of protein = 7.5 / (.23 * 5) = 6.52
D.  cost per pound of protein = 8.,25 / (.25 * 5) = 6.6


looks like selection C is the winner.


you multiply the nunmber of pounds of dog food by the percent protein to get the number of pounds of protein.


you then divide the price by the number of pounds of protein.


the formulas above do that in one shot.