Question

Which equation correctly rearranges the formula D=rt to find the time it will take her to run around the lake?

A) t=d/r
B) t=r/d
C) t=d+r
D) t=d-r

Answer 1

t = D/r

Explanation:

D = rt

Divide each side by r to isolate t

D/ r = rt/r

D /r = t

The time required is D/r