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Asked by Johnny test

a math test is worth 100 points and gas 38 problems. Each problem is worth either 5 points or 2 points. How many problems of each point value are on the test?
10 years ago

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Answered by Steve
just write down what you know.
If there are x at 5 points and y at 3 points, then

x+y = 38
5x+2y = 100
10 years ago

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