Question

p and q can finish a worj in 15 and 10 days.q starts his work and leaves it after 5 days.n umber of days in which o can complete the work​

Answer 1

Answer:

6.67 days

Step-by-step explanation:

rate of p, rp = 1/15

rate of q, rq = 1/10

Let tp = time of p

     tq = time of q

sum (rate x time) = Accomplishment, A

rp(tp) + rq(tq) = A

A = 1/15 (5 days) + 1/10 (tq) = 100% = 1.0

tq = 6.67 days