which no must b added to each the numbers 7 and 13 so that the resultant numbers will be in the ratio 2:3?
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Question:which no must be added to each term of the ratio 7:13 so that the ratio becomes 2:3?
Answer:(7+X) : (13+X) = 2 : 3
3*(7+X) = 2*(13+X)
21 + 3x = 26 + 2x
3x - 2x = 26 - 21
x = 5
5 is the Answer.
Check:
(7+5) : (13+5) = 2 : 3
12 : 18 = 2 : 3
2 : 3 = 2 : 3
Step-by-step explanation:
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