Question

In: Math

A and B together can complete a work in 10 days. A alone can complete the work in 15 days. If B does the work only half a day daily, then in how many days A and B together will complete the work?

A and B together can complete a work in 10 days. A alone can complete the work in 15 days. If B does the work only half a day daily, then in how many days A and B together will complete the work?

Solutions

Expert Solution

A and B together can complete a work in 10 days. A alone can complete the work in 15 days. If B does the work only half a day daily,

B’s 1 day’s work = 1/10− 1/15 = 1/30

 

B’s 1/2 day’s work = 1/60

 

(A+B) together will complete work in = 1/15 + 1/60 = 1/12 = 12 days

12 days

Nipun Maity answered 2 years ago
Next > < Previous

Related Solutions

A and B together can complete a piece of work in 20 days. B and C together can complete in 30 days. If A is twice as good a workman as C, then in how many days will B alone can complete the same work?
A and B together can complete a piece of work in 20 days. B and C together can complete in 30 days. If A is twice as good a workman as C, then in how many days will B alone can complete the same work?
X , works equal to half of Y in 1/6 time . If 31 together they can complete a work in 10 days , then how many days will ' Y ' take to do the same work alone ?
X , works equal to half of Y in 1/6 time . If 31 together they can complete a work in 10 days , then how many days will ' Y ' take to do the same work alone ?
To do a piece of work,B takes 3 times as long as A and C together, and C takes twice as long as A and B together .If the three together can complete the work in 10 days , how long would A take by himself ?
To do a piece of work,B takes 3 times as long as A and C together, and C takes twice as long as A and B together .If the three together can complete the work in 10 days , how long would A take by himself ? with explanation
A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days. If they are paid Rs.960 for the whole work. How much money A gets ?
A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days. If they are paid Rs.960 for the whole work. How much money A gets ?
A is 20 % more efficient than B. How much time will they working together take complete a job which B alone could have done in 22 days ?
A is 20 % more efficient than B. How much time will they working together take complete a job which B alone could have done in 22 days ?
Whats the work culture like in Argentina? Typically day of work, how long, how many days...
Whats the work culture like in Argentina? Typically day of work, how long, how many days a week, what is the PTO like, work etiquettes?
The workers at Olisur Olive Oil Factory, work four days a week, 15 hours a day....
The workers at Olisur Olive Oil Factory, work four days a week, 15 hours a day. Each day of the week, at least the following numbers of workers are needed: on weekdays 105 workers per day; on weekends 45 workers per day. There are 165 workers in the factory. Formulate a linear programming model that will reveal a schedule for the workers to maximize the sum of their consecutive days off (define decision variables; indicate objective function, constraints, and sign...
****** Section B only b. How many IRRs does this investment opportunity have? Please show how...
****** Section B only b. How many IRRs does this investment opportunity have? Please show how you find IRRs******************** Innovation Company is thinking about marketing a new software product. Upfront costs to market and develop the product are $ 5,200,000. The product is expected to generate profits of $ 1,300,000 per year for ten years. The company will have to provide product support expected to cost $ 95,000 per year in perpetuity. Assume all income and expenses occur at the...
Explain how Windows and Linux can work together in diverse environments.
Explain how Windows and Linux can work together in diverse environments.
How do letters of credit and drafts work together? How does this create one of the...
How do letters of credit and drafts work together? How does this create one of the most liquid money market instrument?
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT