Question

What is value of the expression -2r/5s if r = -1/4 and s = 4/5?

Answer 1

I don't know if this is right but 0.125

Answer 2

1/8

Explanation:

Substitute -1/4 for r and 4/5 for s in -2r/5s:

-2(-1/4) / (5*4/5) = 1/2 / 4 = 1/8 (answer)