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Saturday, February 25 2017 @ 02:24 PM CST
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 word problem p5
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By: Geeta (offline)  Sunday, October 30 2011 @ 03:36 AM CDT (Read 978 times)  
Geeta

Help me with this question...


Yili, Lynn and Devi went shopping. Yili spent 0.25 of the total amt Lynn and Devi spent, while Devi spent 4/11 of the total amt Yili and Lynn spent. Lynn spent $37.50 more than Yili. If Lynn had $90 before she went shopping what fraction of the money did she spend? Express your answer in simplest form.

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By: sokechan (offline)  Sunday, October 30 2011 @ 04:04 AM CDT  
sokechan

Y : L : D
1 Frown 4 )
( 11 ): 4
-------------
3 : ( 12 )
( 11 ): 4
-------------
3 : 8 : 4

5 u = 37.5
8 u = 60
60/90 = 2/3

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By: sokechan (offline)  Sunday, October 30 2011 @ 04:05 AM CDT  
sokechan

Sorry, the colon and bracket turned into a sad face...

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By: GIM (offline)  Sunday, October 30 2011 @ 04:39 AM CDT  
GIM

This could be clearer.

Y : L + D
1: 4 -----(1+4=5units)
Change the total units to 15 by multiplying 3 to each
1x3 : 4x3
3 : 12------(3+12=15units)*

D : Y + L
4 : 11-----(4+11=15units)*

Y-- 3units
D-- 4units
L-- 15-3-4= 8units

L-Y : 8u-3u =5u
5u-----$37.50
1u-----$37.50/5 =$7.50
Lynn spent----8u x $7.50= $60

If she had $90,
Fraction spent : 60/90 =2/3 (answer)

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By: Geeta (offline)  Sunday, October 30 2011 @ 04:44 AM CDT  
Geeta

Thanks a lot to both of you....

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