(b) Ankit and Bhanu can complete the math summer project in 10 days and 15 days, respectively. They decided to work together during the vacation, but Bhanu left for a trip after some days. Then Ankit finished the remaining work in 5 days. Find the number of days they worked together.
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Answer:
3 days
Step-by-step explanation:
A's work for 5 days
=5x1/12=1/2
work
The remainning half of the work was done by A and B together.
Work done by A and B in a day
=(1)/(10)+(1)/(15)=(1)/(6)
:.
The number of days they worked together
=(1/2)/(1/6)=3
days
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