+0  
 
0
73
1
avatar

What is the ratio of $x$ to $y$ if: $\frac{10x-3y}{13x-2y} = \frac{3}{5}$? Express your answer as a common fraction.

 Jan 18, 2021
 #1
avatar+116126 
+1

(10x - 3y)  / ( 13x - 2y)   =  3/5       cross-multiply

 

5(10x - 3y)  = 3(13x - 2y)   simplify

 

50x - 15y  =  39x - 6y     rearrange as

 

50x - 39x =  15y  - 6y

 

11x  =  9y

 

x / y  =  9 / 11

 

cool cool cool

 Jan 18, 2021

91 Online Users

avatar
avatar
avatar
avatar