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14-10-2016
Mathematics

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Juan and Rachel have the same number of marbles. Rachel gives away 10 marbles and Juan gives away 22 marbles. Rachel then has 3 times as many marbles as Juan. How many marbles did each of them have at first

Respuesta :

14-10-2016

Let, the number of marbles =x.(for both juan and Rachel).

x = x

x-10 = 3(x-22)

x-10=3x-66

66-10 = 3x-x

2x =56

x=28

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