40. A can do a work in 15 days and B in 20 days. If they
work on it together for 4 days, then the fraction of the work
that is completed....
(b) 1/10 (c) 7/15 (d) 8/18
Answers
Answered by
0
Answer:
In 4- days both can do=(7/60) x 4 =7/15 the work.
PLZ MARK AS BRAINLIEST
Step-by-step explanation:
Answered by
0
Answer:
(c) 7/15
Step-by-step explanation:
by using formula work done / time.
Similar questions