Louise can complete a project in 10 days while Christina can do it in 15 days together they work for 3 days and then christina leaves. In how many days can louise complete the project?
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Answer:
5 Days
Step-by-step explanation:
work done by Louise in a day = 1/10
work done by Christina in a day=1/15
Word done by both in a day = 1/10+1/15=1/6
work done in 3 days= 1/6*3 = 1/2
work left = 1-1/2= 1/2
time takes by Louise to complete the remaining work= 1/2 divided by 1/10
= 1/2 x 10
= 5 days
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