arnold1461 arnold1461

14-10-2020
Mathematics

contestada

John and Amelia have a baby daughter Sonia John is 23 kg heavier than Amelia who is four times as heavy as Sonia their combined weight is 122. how heavy is each person

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schoolstudy101 schoolstudy101

18-10-2020

x+4x+4x+23

9x+23=122

122-23=99

9\99=11

J=67

A=44

S=11

11+44+67=122 kg

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