SOLUTION: Kirsten can type a 50-page paper in 8 hours. Last month Kirsten and Courtney together typed a 50-page paper in 6 hours. How long would it take Courtney to type a 50-page paper on h

Algebra ->  Human-and-algebraic-language -> SOLUTION: Kirsten can type a 50-page paper in 8 hours. Last month Kirsten and Courtney together typed a 50-page paper in 6 hours. How long would it take Courtney to type a 50-page paper on h      Log On


   



Question 33701This question is from textbook Algebra 1
: Kirsten can type a 50-page paper in 8 hours. Last month Kirsten and Courtney together typed a 50-page paper in 6 hours. How long would it take Courtney to type a 50-page paper on her own? This question is from textbook Algebra 1

Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
Kirsten types 50 pages in 8 hours
=> She can type 6*50/8 (=75/2) pages in 6 hours;
Courtney must has printed 50 - 75/2 (=25/2) pages in 6 hours;
So, Courtney can type (25/2)(1/6)=25/12 pages per hour
It would take 50(12/25) = 24 hours to print 50 pages by herself