A can do a piece of work in 24 days. When he had worked for 4 days B joined him, if the work was completed in 16 days, in how many days B alone can finish the work?

Question

anonymous · Answer

How much A can do in 1 day?

anonymous · Answer

work/24

anonymous · Answer

Good, Let B and do the work in x days, then solve this equation for x $$ \frac{1}{6}+12 \left(\frac{1}{24}+\frac{1}{x}\right)=1$$

x= 36 days

anonymous · Answer

I GET 90

anonymous · Answer

Do you know the right answer?

anonymous · Answer

I DON4T KnOW IF they compleet it after or in 16days !!!! maybe your true th

anonymous · Answer

acctualy the right unsewer is 96

anonymous · Answer

http://www.proprofs.com/sat/exams/sat_3/exam.php?n=20&xid=2&timeout=1&t=00.00&as=qqqqqqqqqqqqqqqqqqqq,&o=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,&asign= S2-M-20

anonymous · Answer

ow so the 4 days is not included in those 16 days. So in my equation you have to multiply by 16 instead of 12.