193k views
14 votes
Y varies directly with x. If y = 150 when x = 3, what is x when y = 600

User SexyNerd
by
6.9k points

1 Answer

10 votes

Answer:

Explanation:

Y varies directly with x:

y=kx

for some non-zero constant k

substitute y=150 and x=3:

150=3k

k=50

When y=600:

600=(50)x

x=12

User Efotinis
by
6.5k points