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Sunday, October 22 2017 @ 05:50 PM CDT
 Forum Index >  Test Paper Related >  Primary 6 Matters
 Nan Hua P6 question
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By: kellywww (offline)  Sunday, January 29 2012 @ 03:18 AM CST (Read 1166 times)  
kellywww

I need help with this P6 Nan Hua question! Appreciate some help :-)

I have cracked my brain but still couldn't solve it

Dolly had 80 more stickers than Jenny. Dolly gave 25% of her stickers to Jenny. Jenny in return gave 60% of her stickers to Dolly. In the end, Dolly had 100 stickers more than Jenny. How many stickers did Dolly have at first?

Thanks! Big Grin

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By: awyw1201 (offline)  Sunday, January 29 2012 @ 09:33 PM CST  
awyw1201

Quote by: kellywww

I need help with this P6 Nan Hua question! Appreciate some help :-)

I have cracked my brain but still couldn't solve it

Dolly had 80 more stickers than Jenny. Dolly gave 25% of her stickers to Jenny. Jenny in return gave 60% of her stickers to Dolly. In the end, Dolly had 100 stickers more than Jenny. How many stickers did Dolly have at first?

Thanks! Big Grin




At 1st
D----4u + 80
J-----4u

Dolly gave 1/4 to Jenny
D----3u +60
J----5u + 20

Jenny gave 3/5 to Dolly
D---6u + 72
J----2u + 8

Dolly had 100 more now
6u + 72 = 2u + 8 +100
4u =108-72 =36
1u = 9
Dolly at 1st----9 x4 +80 = 116

Ans: 116 stickers

Big Grin

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By: kellywww (offline)  Wednesday, February 01 2012 @ 07:05 AM CST  
kellywww

Hey, greatly appreciated!
Why didn't I think of that....

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By: awyw1201 (offline)  Wednesday, February 01 2012 @ 08:07 PM CST  
awyw1201

Quote by: kellywww

Hey, greatly appreciated!
Why didn't I think of that....



You are most welcome Big Grin

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