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16 December, 18:23

15% of a mass is 45 g. Calculate 20% of the mass

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Answers (2)
  1. 16 December, 19:01
    0
    15%=45

    divide 3

    5%=15

    double

    10%=30

    double

    20%=60

    60 grams

    legit way

    percent/mass=15/45=1/3

    1/3=20/?

    times both sides by 3?

    ?=3*20

    ?=60

    60g
  2. 16 December, 19:03
    0
    What is 100% of the mass?
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