Question

the denominator of a rational number is greater than its numerator by 8 if the number is increased by 17 and the denominator is decreased by 1 the number obtained is 3.2 find the number​

Answer 1

Step-by-step explanation:

Let the numerator be x

Then, denominator= x+ 8

According to question

(x+17):(x+8-1)= (3:2)

(x+17):(x+7)=(3:2)

(2x+34)=(3x+21)

3x-2x=34-21

x= 13

Numerator= 13

Denominator= 13+8= 21

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