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 By: jessie_nol (offline)  Wednesday, October 17 2012 @ 08:59 PM CDT (Read 713 times)
jessie_nol

P5 Math Question :
On Monday, he sold 0.25 of them.
He sold 20 fewer badminton rackets on Tuesday than on Monday.
Given Selection : (a) 240 (b) 280 (c) 320 (d) 360
WHY?

Monday = 1/4 <-- 1U
Tuesday = 1/4 - 20 <-- 1U - 20
Remaining = 160 <-- 2U + 20

2U + 20 = 160
2U = 160 - 20
2U = 140
1U = 70

Total Badminton Rackets = 70 x 4 = 280.

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Registered: 10/17/12
Posts: 2

 By: geniuskids (offline)  Friday, October 19 2012 @ 10:14 AM CDT
geniuskids

This is not from Catholic High. Its 2011 SA2 Nanyang Paper 1

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Registered: 11/12/11
Posts: 169

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