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Popular >

If you double a number and then add 20 , you get 4/7 of the original number. What is the original number?

Solução

If you double a number and then add 20 , you get 4/7 of the original number. What is the original number?

Solução

The number : - 14

Passos da solução

Represent the number with

x

A.T.Q.:

2 x + 20 = \frac{4}{7} x

Resolver para

x, 2 x + 20 = \frac{4}{7} x : x = - 14

The number : - 14

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