13.47 x 3 = 4.47.
so, 4.47 is the unit price
A "hole" is created when a factor can be crossed out of the numerator and denominator.
x^2 - x - 2 factors into (x - 2)(x + 1) both of which can be crossed out or canceled with the factors in the numerator. That creates very really tiny holes at x = 2 and x = - 1.
5)
-5/4
6)
-1/2
7)
-3/4x
8)
-5/3x
It is basically the x in the equations
Y would equal 1/4.
1/4 + 1/2 = 1/4 + 2/4 = 3/4
125/200= 0.625 cents
0.625 cents to the nearest cent= 0.63
The unit rate is 0.63 miles.
Hope this helps!