SOLUTION: I think of a pair of a numbers. If I add 7 to the first I obtain a number which is twice the second. If I add 20 to the second. I obtain a number which is four times the first. Wha
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Question 830309: I think of a pair of a numbers. If I add 7 to the first I obtain a number which is twice the second. If I add 20 to the second. I obtain a number which is four times the first. What are the number Answer by Fombitz(32388) (Show Source):
