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If x:y = 2:5, find the value of (-x+3y):(2x+y)

 Mar 7, 2021
 #1
avatar+236 
+1

x = 2y = 5

-2+ 10:4+5

8:9

 Mar 7, 2021
 #2
avatar+31212 
+1

x/y  = 2/5

5x = 2y

x = 2/5 y

 

(-x+3y) =   (-2/5y+3y) =   13/5 y            2x+y =  2(2/5y)+y = 9/5 y

 

13/5  :  9/5

13:9

 Mar 7, 2021

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