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aisha82
02.12.2021 •
Mathematics
What number must be subtracted for each term ratio 25.37 to make it equal to 1:2
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Ответ:
What must be subtracted from each term of the ratio 3:7 so that the ratio becomes 2:5?
My attempt: Let two numbers be 3x and 7x. So, 3x−y7x−y=25⟹15x−5y=14x−2y⟹y=x3. But the answer is given as 13 only.
I wish somebody could provide some clarifications.
Ответ: