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09-11-2017
Mathematics

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Arasoo is 4 years older than peter. Ali is 2 years younger than peter. If the sum of ages is 47 . What is their respective ages

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lillyy2 lillyy2

09-11-2017

Peter: x
Arasoo: x+4
Ali: x-2

4+x+x+x-2=47
2+3x=47
3x=45
x=15
Peter: 15
Arasoo: 15+4= 19
Ali: 15-2 = 13

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