Answer:
4
Step-by-step explanation:
15x+20 = 40 +10x
x = 4
Rational expression refers to a fraction in which the numerator and denominator are polynomials.
So she ran the 0.1 of the 28.4
That is she ran 1% of 28.4 miles
0.1 * 28.4 is 2.84
Hope this helps :)
Answer:
x = 1/2
Step-by-step explanation:
2x + 3 = 4x + 2
-2x -2x
3 = 2x + 2
-2 -2
1 = 2x
Divide both sides by 2x
x = 1/2