Contemporary Mathematics for Business & Consumers 8th Edition by Robert Brechner,Geroge Bergeman

Exercise 20

Set up and solve equations for the following business situations.
The Cookie Monster sells oatmeal cookies for $1.30 per pound and peanut butter cookies for $1.60 per pound.
a. If total cookie sales last week amounted to 530 pounds, valued at $755, how many pounds of each type of cookie were sold
b. What dollar amount of each type was sold