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

y become grater in 3 times

Answer 2

than you must x * 3

Answer 3

8x3?

Answer 4

yeap

Answer 5

Is 24 :D

Answer 6

i think yes

Answer 7

So the answer is 24? :o

Answer 8

I think yes, but its a stupid question, bc y become grater (y1 *3 = y2 or y1 + 10 = y2)

Answer 9

that's why its difficult to be sure ))

Answer 10

it can be 24 or 18 )))

Answer 11

Okay, i'll go with 24. An tell you if I get it right... thanks.

Answer 12

ok)

Answer 13

Yes, it was 24 but I got some other questions wrong