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07-01-2022
Mathematics

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John is six years older than his sister Ella. Three times Ella’s age less two times John’s age is 13?

Respuesta :

marwajaheed marwajaheed

10-01-2022

Answer:

John is 31

Ella is 25

Step-by-step explanation:

Let sister's age be x, then John's age is (x + 6). So from sentence 2,

(3x) - 2(x + 6) = 13

3x - 2x - 12 = 13

x = 13 + 12 = 25

and x + 6 = 31

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