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Byju's Answer
Standard VII
Mathematics
Introduction to Ratio
What number m...
Question
What number must be added to each term to the ratio 9 : 16 to make the ratio 2 : 3?
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Solution
Let x be the required number.
Then, (9 + x) : (16 + x) = 2 : 3
⇒
9
+
x
16
+
x
=
2
3
⇒
27
+
3
x
=
32
+
2
x
⇒
x
=
5
Hence, 5 must be added to each term of the ratio 9 : 16 to make it 2 : 3.
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