SOLUTION: The sum of three numbers is 70. if the ratio of the first to the second is 3/4 and the ratio of the second to third is 4/7 , then the second number is A 12 b 16 c 20 d 24 e

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Question 280531: The sum of three numbers is 70. if the ratio of the first to the second is 3/4 and the ratio of the second to third is 4/7 , then the second number is
A 12 b 16 c 20 d 24 e none of these
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
3x+4x+7x=70
14x=70
x=5
15+20+35=70
the second number is "c 20"