Question

what least number to be subtracted from each term of ratio 15:19 to make ratio 3:4?

Answer 1

Answer:

3

Step-by-step explanation:

let the number to be substracted on the basis of question the following equation id formed: (15-x)/(19-x)=3/4

by cross multiplication

60-4x=57-3x

60-57=-3x+4x

:. x=3

therefore the required no is 3

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