alsutliff alsutliff

17-04-2017
Mathematics

contestada

y varies directly with x, and y = 2 when x = 5.

What is the value of x when y = 15?

A. x = 25
B. x = 10
C. x = 6
D. x = 37.5

Respuesta :

Аноним Аноним

17-04-2017

We can see that y has to be multiplied by 2.5 in order to get x.
So...
15 * 2.5 = 37.5
The answer would be D!

Answer Link

schoolt23 schoolt23

18-04-2017

2/5 = 15/x

cross multiply
x =6

Answer Link

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