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11 April, 02:32

When 19 times a number by

20 the answer is the

same as when 120 is decreased

by the number. Find the number ...

+2
Answers (1)
  1. 11 April, 05:39
    0
    0.316

    Step-by-step explanation:

    19 x 20 = 380 x N

    120 - N = 380 x N

    We realize this can only be a decimal number.

    We try 0.316 x 19 x 20 = 120

    When we decrease 0.316 from 120 it is 119.7

    Rounded up it is the same as 120.
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