Question

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

Answer 1

Let the required number is x

so according to question

$\frac{15 - x}{19 - x} = \frac{3}{4} \\ \\ = > (15 - x) \times 4 = (19 - x) \times 3 \\ \\ = > 60 - 4x = 57 - 3x \\ \\ = > 4x - 3x = 60 - 57 \\ \\ = > x = 3$

Therefore required number is 3

hope it helps...

Answer 2

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

Step-by-step explanation:

We are supposed to find what least number to be subtracted from each term of ratio 15:19 to make ratio 3:4

Let the least number that should be subtracted be x

So, $\frac{15-x}{19-x}=\frac{3}{4}$

$4(15-x)=3(19-x)$

$60-4x=57-3x$

3=x

Hence 3 is the least number to be subtracted from each term of ratio 15:19 to make ratio 3:4

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