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04-07-2020
Mathematics

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Eric's age is 8 and her mother is 42.In how many years time will the mother be 3 times as old as her son

Respuesta :

04-07-2020

Answer:

9 years

Step-by-step explanation:

Let's call the amount of years x. We can write

42 + x = 3(8 + x)

42 + x = 24 + 3x

2x = 18

x = 9

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