1.5 miles/30 minutes is your unit rate. If you multiply the rate by 2 you would get 3 miles/hour.
So your final answer would be 3 miles per hour.
Hope this helps.
X = 7, -3, 2
(x - 7)(x + 3)(x - 2) = 0
(x - 7)(x^2 + x - 6) = 0
x^3 - 6x^2 - 13x + 42 = 0
M = 5/2
B = -4
Y - 1 = 5/2(x - 2)
Y - 1 = 5/2x - 5
+1. +1
Y = 5/2x - 4
(I think)
