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4. A positive number is 7 times another number. If 15 is added to both the numbers, then one of the new number becomes 5/2 times the other new number. What are thenumbers?pls answer fast |
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Answer» your answer.Step-by-step EXPLANATION: Assume X & YX= 7Y (X is a bigger number) (X+15)=(Y+15)X+15 = 5/2(Y+15) X+15= 5Y/2 +75/22 (X+15) = 5Y+752X+30=5Y+752 (7Y) +30 = 5Y+7514Y+30=5Y+7514Y-5Y=75-309Y= 45Y= 5X= 7Y = 7 (5) = 35 |
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