# Algebra

posted by
**Linda**
.

Find the constant of variation k. yvaries directly with x; y=400 when x=1000

y = k x

400 = k * 1000

Solve for k

posted by
**Linda**
.

Find the constant of variation k. yvaries directly with x; y=400 when x=1000

y = k x

400 = k * 1000

Solve for k