If a+b=5 and 3a+2b=20,then (3a+b)will be :

1.	If a+b=5 and 3a+2b=20,then (3a+b)will be :
A.	20
B.	15
C.	25
D.	30
Answer» D. 30

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If a+b=5 and 3a+2b=20,then (3a+b)will be :

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