Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left . Maria came and completed the remaining work in 4 days . if mary David and Maria would work together let's calculate in how many days they would complete the work .
Answers
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .
Maria came and completed the remaining work in 4 days .
if mary David and Maria would work together.
Then according to the question :-
10+15+5+4+4= 28.
Hence in 28 days they would complete the work .
Step-by-step explanation:
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .Maria came and completed the remaining work in 4 days .
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .Maria came and completed the remaining work in 4 days .if mary David and Maria would work together.
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .Maria came and completed the remaining work in 4 days .if mary David and Maria would work together.Then according to the question :-
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .Maria came and completed the remaining work in 4 days .if mary David and Maria would work together.Then according to the question :-10+15+5+4+4= 28.
Mary and david can do a work individually in 10 days and 15 day respectively. At first Mary alone worked for 4 day then David alone worked for 5 days and left .Maria came and completed the remaining work in 4 days .if mary David and Maria would work together.Then according to the question :-10+15+5+4+4= 28.Hence in 28 days they would complete the work .