Welcome to Test-paper.info
Saturday, September 23 2017 @ 11:22 AM CDT
 Select a Forum » General Chat » Primary 1 Matters » Primary 2 Matters » Primary 3 Matters » Primary 4 Matters » Primary 5 Matters » Primary 6 Matters » Question, Feedback and Comments » Education Classified
 Forum Index >  Test Paper Related >  Primary 6 Matters Maths Question
 | Printable Version
 By: sundarshoba (offline)  Friday, June 22 2012 @ 05:46 PM CDT (Read 761 times)
sundarshoba

Please assist to work out the steps for the attached questions. Thks

Chatty

Registered: 12/31/06
Posts: 53

 By: tanhuimin (offline)  Saturday, June 23 2012 @ 07:07 AM CDT
tanhuimin

a) (886 - 340) / 6 = 91
speed of machine A is 91 copies per hour

b) 2750 - ( 75 x 16 + 886 ) = 664
after the 1st 16hrs or work, still required to print another 664 copies.
Time take for these 664 copies, 664 / (91 + 75) = 4
Machine B has worked for 20 hours.

Junior

Registered: 12/31/06
Posts: 18

 All times are CDT. The time is now 11:22 am.
 Normal Topic Locked Topic Sticky Topic
 New Post Sticky Topic w/ New Post Locked Topic w/ New Post
 View Anonymous Posts Able to Post HTML Allowed Censored Content