SOLUTION: Karen bought 16 boxes of donuts. Some boxes contained 10 donuts each, and the rest contained 12 donuts each. There were 172 donuts in all. How many boxes of 10 donuts did Karen buy
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Question 807232: Karen bought 16 boxes of donuts. Some boxes contained 10 donuts each, and the rest contained 12 donuts each. There were 172 donuts in all. How many boxes of 10 donuts did Karen buy?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b=16,
10a+12b=172
a = 10, b = 6
10 boxes of 10
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