The variable z is directly proportional to x. When x is 8, z has the value 152. What is the value of z when x = 12?

Question

asked Feb 22, 2019 119k views

1 Answer

Lbalazscs · Answer 1 · 2019-02-28T02:51:12+0000

The problem belongs to direct variation.

Z is directly propotional to x.

if we remove propotionality symbol will get a constant.

.

we know that
x=8 .

z=152 .

k=z/x .

k=152/8 .

k=19. .

when
x=12 .

z=kx .

z=19*12=228.