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12-10-2016
Mathematics

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If you double a number and then add 16, you get 2/5 of the original number. What is the original number?

Respuesta :

12-10-2016

Let the number = x

A.T.Q,

2x+16 = 2x/5

5(2x+16) = 2x

10x+80 = 2x

8x = -80

x= -10

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