SOLUTION: the student councilat JeffersonHigh School sold a total of 220 brownies and cookies during its fund-raiser. Each brownie sold for $0.75. and each cookie sold for $0.50. the student
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Question 190137: the student councilat JeffersonHigh School sold a total of 220 brownies and cookies during its fund-raiser. Each brownie sold for $0.75. and each cookie sold for $0.50. the student council made $136.50 from the sales of brownies and cookies. Which system of linear equations can be used to find b, the number of brownies sold, and c, the number of cookies sold?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
.
Let b = number of brownies sold
and c = number of cookies sold
.
Since we have two unknowns, we'll need two equations:
.
b + c = 220
.75b + .50c = 136.50
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