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What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3 ?

A1

B2

C3

D5

Answer:

D. 5

Read Explanation:

(7 + N) / (13 + N) = 2/3 ⇒ 3(7 +N) = 2(13 + N) N = 5


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