Expert in study
alarm
Ask
Math
Andrianova Ariana Andrianova Ariana Jan 18, 2021

A can do a work in 15 days and B in 20 days. If they together work on it for 4 days, then the fraction of the work done is​

answers: 1
Register to add an answer
The time for answering the question is over
Answer:
ANSWER::))>>Take LCM of 15 and 20 as the total amount of work which is 60 units in this case.>>A can do work in 15 days therefore amount of work done by A in 1 day is 60/15 = 4 units>>B can do work in 15 days therefore amount of work done by A in 1 day is 60/20 = 3 units>>Total amount of work done in 1 day =A work of 1 day+B's work of 1 day=4 units +3 units=7 units>>Amount of work done in 4 days =4*7=28 units>>Amount of Work Left = 60–28=32 units>>Fraction of work left = Amount of work left/ >>Total Work = 32/60 = 8/15.

hope it's help ✌️✌️

265
pride pride
Jan 18, 2021
For answers need to register.
Contacts
mail@expertinstudy.com
Feedback
Expert in study
About us
For new users
For new experts
Terms and Conditions