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10 November, 15:07

Yesterday, there were 80 problems assigned for math homework. Harry did 20 % of them correctly. How many problems did harry get right

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  1. 10 November, 15:24
    0
    Answer:16 correct problems.

    Step-by-step explanation:

    Convert a percent to a decimal (20%=0.2)

    Then multiply your total by the decimal.

    80 x. 2=16
  2. 10 November, 15:25
    0
    Harry was right in:

    16 problems.

    Step-by-step explanation:

    To solve the exercise you must take into account that the total number (80 problems) must be taken as 100% of the exercises, with which, you can identify the number of problems that corresponds to 20% using a rule of three, as shown then:

    80 problems = 100% X = 20%

    Where X is the number of exercises that corresponds to 20%, then you proceed to operate:

    X = (20%*80) / 100% = 16

    So 20% of 80 problems, which was the number Harry hit, is 16 problems.
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