Question

person A asnd B can complete a task in 15 days and 10 days respectively . if they work together for 3 days ,how many more days would person A take to complete the remaining task also?

1. 5 days
2. 6 days
3. 7.5 days
4.10.5 days

Answer 1

Step-by-step explanation:

A=2/30

B=3/30

A+B= 5/30 =1/6

FOR 3 DAYS = 15/30 remaining part is 1/2=15/30

remaining work will be completed = 2*x= 15

x= 7.5 days

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