45 Degrees on each side means it is equal, for an "equilateral" triangle.
Answer: [0,3]
The line is going up from left to right between 0 and 3 on the x-axis. We use a closed bracket because it is a open circle.
X- the miles Hans is driving
51,96+0,12*x=45,96+0,14*x
51,96-45,96=0,14x-0,12x
6=0,02x
x=6:0,02
x=300 miles
A because the feed sets discounts rate and primes
