Caitlin did 3/5 of the problems on her math test correctly and eight incorrectly. She did all the problems how many problems were there? ... How do you answer this?

Question

Brittany Santana

Mathematics

22 February, 12:19

Caitlin did 3/5 of the problems on her math test correctly and eight incorrectly. She did all the problems how many problems were there? ... How do you answer this?

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Answers (1)

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Wilkerson · Answer 1

We know that 3/5 of the answer is right and 8 are wrong. If we do 5/5-3/5, we get 2/5 which is the amount of problems that are wrong or in other 8 wrong.

3/5=?

2/5 = 8 wrong

If we make 2/5 into 1/5 we get 4 wrong answer.

Then we multiply 1/5 and 4 by 5 we get: 5/5 and 20 problems.

So there is 20 problems on the test.