Question

4. Ramya and subha can do a piece
work in 30 days
and 20 days
respectively. After "Ramya has worke
done for 5 days, subha joins ne
30th of them complete the work.
Find the number of days Ramya
and subha have worked together​

Answer 1

Answer:

10 days

Step-by-step explanation:

1 day

ramyas work = 1/20

subhas work = 1/30

ramyas 5 days work= 5x 1/30= 5/6

ramya+subha 1 day work= 1/30+1/20=1/12

let the no. of days worked together=a, then the eqn is....

(1/12)a=5/6

a=10//

thank you

hope this helps....