Realmente no entiendo esta pregunta, lo siento mucho, pero espero que lo resuelvas. Lo siento, nuevamente..
Answer:
Step-by-step explanation:
If the new fraction is 8/12 I will show how to find it.
Let's say the original denominator is x, then the numerator is x-4, so we have (x-4)/x.
Then it says f we add 4 to both, so now we have x/(x+4) this equals 8/12. Now, keep in mind -4 cannot be an answer because it would make x/(x+4) be divided by 0 which wouldn't exist.
Now we just use algebra.
x/(x+4) = 8/12
12x = 8(x+4)
12x = 8x + 32
4x = 32
x = 8
So the original fraction (x-4)/x = (8-4)/8 = 4/8
All you do is divide -12/20 by 4/4 which is -3/5
Answer:
18 since 12 x 2 = 24 so 9 x 2 = 18
Step-by-step explanation:
2.85 = 2 17/20 - hope it helps!
