One number is 5/2times as large as another.The sum of the number is 28.find the number.
Steps
Let the number be X
Let the other no. be Y
Given X eq (5/2)Y
Also X plus Y eq 28
Now Y eq (2/5)X
Hence X plus (2/5)X eq 28
(5X plus 2X)/5 eq 28
7X eq (5X28)
X eq (5X28)/7 eq (140/7)
X eq 20
Answer
20
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