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P5 Maths
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TOPIC: P5 Maths
#4206
P5 Maths 1 Year, 6 Months ago Karma: -1
please help me with the follwing question.

Tim had 20% more than Ryan. David had 60% of what Ryan had. If Tim had $600/-How much did three of them have all together?
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#4207
Re:P5 Maths 1 Year, 6 Months ago Karma: 0
Hi bini!

Ryan --> 100%

Tim ---> 100% + 20% = 120% = $600

David ---> 60%

120% = $600

100% = 100/120 x $600 = $ 500 ---> Ryan

David --> $500 x 60% = $300

Total amount of money --> $600 + $500 + $300 = $1400
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#4312
Re:P5 Maths 1 Year, 5 Months ago Karma: -1
thank you very much for the help.
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#4326
Re:P5 Maths 1 Year, 5 Months ago Karma: 138
Well done Hemanth

Did you know you can solve it using units right throughout the question until the end like this ...


R : T : D
100 : 120 : 60
5 : 6 : 3

6units --> 600
1unit --> 100

total units --> 5+6+3 = 14
14units --> 14 x 100 = 1400
Last Edit: 2010/08/18 10:58 By Chris.
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#4468
Re:P5 Maths 1 Year, 5 Months ago Karma: 2
Tim had 20% more than Ryan. David had 60% of what Ryan had. If Tim had $600/-How much did three of them have all together?

Tim- 120%
Ryan-100%
David-40%

$600/120=5
120+100+40=260
260x5=1300
This is my answer and the way i solve it but i think there is a better way thouugh.
Anyway oops! its wrong
Last Edit: 2010/08/23 21:09 By Maplekids88.Reason: Answer wrong
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#4470
Re:P5 Maths 1 Year, 5 Months ago Karma: 138
Hi Maple,

In your solution you have given David 40% of Ryan. He should have 60% as it states "David had 60% of what Ryan had". It does not say 60% less.
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