50) If (2x+5y):(3x+5y) = 9:10, what is x:y? A) 4:7 B) 5:7 C) 4:5 D) 5:17


50) If (2x+5y):(3x+5y) = 9:10, what is x:y?
A) 4:7
B) 5:7
C) 4:5
D) 5:17


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