Question

Variable y varies directly with variable x, and y = 5 when x = 8.

What is the value of x when y = 15?

Answer 1

@Science_ALLY

Answer 2

can you tag anyone thats is good in math????

Answer 3

tag bibby

Answer 4

@bibby

Answer 5

@DanJS

Answer 6

Same as the last prob i did with you

y = k*x

plug in x and y and solve for k

Answer 7

y directly varies with x means
y=kx
5=k8
solve for k @pielover123

Answer 8

x=8 y=5 k=45???

Answer 9

\[y = k*x~~~~5 = k*8~~~~~k = 5/8\]

Answer 10

@pielover123 got it ?

Answer 11

yes thanks:)

Answer 12

\[y = \frac{ 5 }{ 8 }*x\]

put in y=15, solve for the X

Answer 13

x=9

Answer 14

right @Godlovesme

Answer 15

24x thanks so much

Answer 16

welcome :)