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22 October, 17:15

Olga tried to solve an equation step by step

1/4 (1/3k+9) = 6

step 1 - 1/3k+9=24

step 2 - 1/3k=15

step 3 - k=5

find olgas mistake

step 1

step 2

step 3

olga did not make a mistake

+1
Answers (2)
  1. 22 October, 17:28
    0
    step 3

    Step-by-step explanation:

    she should have multiplied 15 x 3=45

    k=45
  2. 22 October, 17:41
    0
    made a mistake in step 3

    Step-by-step explanation:

    from step2; 1/3k=15 then making k the subject, k=15*3 so the value of k will be 45
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