Ramiroandresqueidn
Answered

Whether you're a student or a professional, IDNLearn.com has answers for everyone. Discover reliable answers to your questions with our extensive database of expert knowledge.


Exercise

1. If we multiply by three the numerator of a fraction and add 12 to the denominator, the value of the fraction is three quarters, and if the numerator increases in 7 and the denominator trebles the value of the fraction is a way, finds the fraction.

Please I am grateful for them to him very much thank you for the given attention...:)

Sagot :

Konrad509idn
x - nominator
y - denominator

[tex]\frac{3x}{y+12}=\frac{3}{4}\\ \frac{x+7}{3y}=\frac{1}{2}\\\\ 3(y+12)=12x\\ 2(x+7)=3y\\\\ 3y+36=12x\\ 2x+14=3y\\\\ 2x+14+36=12x\\ 10x=50\\ x=5\\\\ 3y=2\cdot5+14\\ 3y=10+14\\ 3y=24\\ y=8\\\\ \frac{x}{y}=\boxed{\frac{5}{8}}[/tex]
Thank you for using this platform to share and learn. Don't hesitate to keep asking and answering. We value every contribution you make. Find the answers you need at IDNLearn.com. Thanks for stopping by, and come back soon for more valuable insights.