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Math please explain!!

A student got 80 percent problems correctly which is 32 problems correct. how many problems are they in total? I got 40 in a page but it did not explain can you PLEASE EXPLAIN!!!!

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  1. 0.8x = 32

    Solve for x.

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    Ms. Sue
  2. 80% of x problems = 32.
    :. .8x=32
    :. x= 32/0.8=40

    Student 32 problems correct out of 40!

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