Question

After 8/15 of an hour, Jane has completed painting 3/5 of the wall. At this rate, how much of the wall will she finish painting after 1 hour?

Answer 1

Explanation:

Find the unit rate for this painting:

3/5 of wall surface 3/5 15 9

------------------------------- = --------------- * --------- = -----------

(8/15) hour 8/15 15 8

Jane could actually paint the whole wall plus 1/8 more of it in one hour.