Question

Assume that y varies directly with
у
x, then solve.
If y=2.5 when x=.5, find y when x=20.
y
y = [? ]

Answer 1

Answer:

y = 100

Step-by-step explanation:

y = k(x)

k = y/x

when y = 2.5, x = 0.5

k = y/x

k = 2.5/0.5

k = 5

find y when x = 20

y = k(x)

y = 5 (20)

y = 100