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 By: ricebowl1912 (offline)  Sunday, April 17 2011 @ 04:52 AM CDT (Read 1720 times)
ricebowl1912

Can some one help explain the concepts to solve Q8 of Henry Park 2010 SA1 Maths Paper 2 :

3/5 of the notes in Mum's safe are \$50 notes. 2/3 of the remainder are \$10 and \$5 notes and the rest are \$2 notes. She has twenty four \$2 notes. The number of \$10 notes is 1/7 of the number of \$5 notes. What is the number of \$10 notes in Mum's safe?

Thanks a lot!

Newbie

Registered: 07/28/10
Posts: 5

 By: shanthi (offline)  Monday, April 18 2011 @ 10:21 PM CDT
shanthi

24x2=48
48รท8=6
Number of \$10 notes in Mum's safe = 6

Junior

Registered: 12/31/06
Posts: 27

 By: joel tan (offline)  Thursday, April 28 2011 @ 05:58 AM CDT
joel tan