Susan can type 10 pages in 5 minutes. Mary can type 5 pages in 10 minutes. Working together, how many pages can
they type in 30 minutes?
A. 15
B. 20
C. 25
D. 65
E. 75

• susan can type 2 pages in 1 min
  mary can type 0.5pages in 1 min
  so, both of them work together they type 2.5 pages in 1 min
  so,in 30 min they type (30*2.5)= 75 pages
• 13 years agoHelpfull: Yes(87) No(0)
• susan can type 1 page in 30 sec
  mary can type 1 page in 2 min.
  in 30min susan can type 60 page and mary can type 15 page
  if they work together 60+15=75
  they can type 75 pages in 30 minutes
  
• 12 years agoHelpfull: Yes(10) No(5)
• Ans: In 5min susan can type = 10 pages
  Hence in 30 min susan can type = (10/5)*30 =60
  ||y
  In 10 min mary can type = 5 pages
  Hence in 30 min mary can type = (5/10)*30=15
  Therefore, total 75 pages type in 30 minute. Ans: E
• 11 years agoHelpfull: Yes(1) No(1)
• Susan can type (10*6)=60 pages in 30 minutes & Mary can type (5*3)=15 pages in 30 minutes.
  so 60+15=75 pages
  (E) is ans
  
• 10 years agoHelpfull: Yes(1) No(0)
• IN 5 MIN SUSAN CAN TYPE = 10 PAGES
  IN 1 MIN SUSAN CAN TYPE = (10/5) = 2 PAGES
  IN 30 MIN SUSAN CAN TYPE = 60 PAGES
  IN 10 MIN MARY CAN TYPE = 5 PAGES
  IN 1 MIN MARY CAN TYPE = (5/10) = 1/2 PAGES
  IN 30 MIN MARY CAN TYPE = 30(1/2) = 15 PAGES
  BOTH TOGETHER CAN TYPE = 30 PAGES+15 PAGES
  = 75 PAGES
• 6 years agoHelpfull: Yes(0) No(0)