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Mr James spent 5/8 of his salary and gave 1/3 of the remainder to his mother. If he had $300 left, how much did he spend?

Guest Mar 17, 2017
edited by Guest  Mar 17, 2017
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4+0 Answers

 #1
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300/2 = 150

150*5 = 750

Guest Mar 17, 2017
 #5
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Hey Guest, I'm really curious how that worked...can you explain how you knew to do that??

hectictar  Mar 17, 2017
 #3
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1500

Guest Mar 17, 2017
 #4
avatar+77243 
+5

Let his salary = S

 

After he spends 5/8 of his salary, he has  (3/8 )S  left

 

After he gives (1/3) of this to his mother he has (3/8)(2/3)S  = (1/4)S left

 

And this = $300

 

So

 

(1/4)S  = 300     multiply both sides by 4

 

S = $1200

 

And he spent (5/8) of this  = (5/8)(1200) = $750

 

 

cool cool cool

CPhill  Mar 17, 2017

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