John is taking a math test with 75 problems. the problems were of three types:
10 problems w...
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Mathematics, 28.01.2020 20:44 lindsayb2000
John is taking a math test with 75 problems. the problems were of three types:
10 problems were number related,
30 were algebra and
35 were geometry.
john answered 70% of the number problems correctly, 40% of the algebra correctly and 60% of the geometry correctly.
he had to answer 60% of all the problems correctly to pass but didn’t get it. how many more problems had john to answer to pass? ?
explain how to calculate this. (without an calculator)
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Answers: 3
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