If u + v = 84 and u - v = 4, then u : v is equal to; – McqOptions

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1.	If u + v = 84 and u - v = 4, then u : v is equal to;
A.	10 : 11
B.	10 : 9
C.	11 : 10
D.	9 : 10
Answer» D. 9 : 10

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