Guide :High School

Michael had 18 problems wrong on his test.His score is 64% correct.How many problems were on the test

Michael had 18 problems wrong on his test.His score is 64% correct.How many problems were on the test
Basically all you need to do is to build correct proportion. Let the represent amount of problems solved correctly. Then: problems -  problems - Now, let's find that amount:So, Michael had solved 17 problems right and 18 problems wrong. The total amount of problems on the test was 17 + 18 = 35. ...

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