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Can someone show me how! thank you!

 Mar 28, 2018
 #1
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15/10 = 1.5 

so y= 4/1.5

y= 2.666666667 

 Mar 28, 2018
edited by Guest  Mar 28, 2018
 #2
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That was wrong, the answer was 11, but thank you!

Guest Mar 28, 2018
 #3
avatar+100595 
+2

y / 10   =  [  y + 4  ]   / 15   cross-multiply

 

15y  = 10y + 40

 

5y  =  40

 

y  = 8  

 

 

cool cool cool

 Mar 28, 2018

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