Question

If y varies directly as x and y = 40 when x = 5, then the constant is

Answer 1

Hint:

if y varies directly with x, then y = kx, where k is a constant

Answer 2

y=k(5)?

Answer 3

keep going, we also know that y = 40

Answer 4

when x = 5

Answer 5

40=k(5)

Answer 6

now solve for k

Answer 7

k=8?

Answer 8

yep

Answer 9

:D thanks

Answer 10

you're welcome