Q: If 4x+5y=83 and $$ \ {3x\over2y}={21\over22}$$then what is the valu – McqOptions

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1.	Q: If 4x+5y=83 and $$ \ {3x\over2y}={21\over22}$$then what is the value of y-x ?
A.	3
B.	4
C.	7
D.	11
E.	None of these
Answer» C. 7

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