Question

fraction becomes 4 by 5 if 2 is added to both power is from both numerator and denominator then the fraction becomes 15 to represent this situation algebraically and solve l graphically​

Answer 1

Answer:

7/9 is your answer dear hope it helps .

Answer 2

Answer:

Let the fraction be y/x

⇒y+1x+1=54

⇒5x+5=4y+4⇒5x−4y=−1....(1)

⇒y−5x−5=21

⇒2x−10=y−5⇒2x−y=5...(2)

⇒y=2x−5

substitute the value of y in equation (1)

⇒5x−4(2x−5)=−1

⇒5x+20−8x=−1⇒x=7

Put the value of x   in   eqn (2)

⇒y=2×7−y=5⇒y=9

∴yx=97