TheUnknownGod TheUnknownGod

07-08-2017
Mathematics

contestada

The sum of one fifth of a number and three is equal to half of the number. what is the number? A.5. B.10. C.15 D.20

Respuesta :

musiclover10045 musiclover10045

07-08-2017

1/5x +3 = 1/2x

x/5+3 = x/2

x/5-x/2 +3 =0

2x/10-5x/10 +3 =0

-3x/10 + 3=0

-3x/10 has to equal -3

-3 * x = 30

x=10

Answer Link

Ilyes39 Ilyes39

07-08-2017

The statement correct is: B.10.

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