Question

Y varies directly with x. If y = 150 when x = 3, what is x when y = 600

Answer 1

Answer:

Step-by-step 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