if 3 x + 4 y is 6x + 5 y= 11 :19 find x is to y
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Answer:
x:y=9:21
Step-by-step explanation:
3x+4y:6x+5y=11:19
(3x+4y)19=(6x+5y)11
57x+76y=66x+55y
76y-55y=66x-57x
9y=21x
x/y=9/21
x:y=9:21
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