Welcome to Test-paper.info
Saturday, June 24 2017 @ 05:15 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 4 Matters Maths-P4
 | Printable Version
 By: achieve_goal (offline)  Tuesday, October 11 2011 @ 08:06 AM CDT (Read 997 times)
achieve_goal

The total mass of James, Lucy and David

is 130kg. James is 1 1/2 times as heavy as

Lucy and twice as heavy as David.

(a) How heavy is James?

(b) How much heavier is James than Lucy?

Regular Member

Registered: 09/14/11
Posts: 102

 By: awyw1201 (offline)  Wednesday, October 12 2011 @ 08:54 PM CDT
awyw1201

Let mass of James be 6u
then, mass of Lucy be 4u
and mass of David be 3u

6+4+3= 13u---130
1u----10

(a) James---60 kg

(b) Diff----6-4=2u----20 kg

QED

Regular Member

Registered: 07/08/11
Posts: 87

 All times are CDT. The time is now 05:15 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