Question

what number is n to make the two ratios equal ? 15:3= n:12
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Answer 1

Answer:

   15:3 = n:12

⇒ 15/3 = n/12

⇒ 5 × 12 = n

⇒ n = 60

Answer 2

Answer:

15:3 = n:12

=> 15 = n

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3 12

=> 3n = 15 × 12

=> 3n = 180

=> n = 180

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3

=> n = 60

Ans. 60

Hope it helps.