I really like the car we looked at. My decision will come down to the distance to cost ratio.
The what?
You know, how far the car can go while costing me a certain amount of money.
Oh I get it. Come with me, I'll look it up.
Ok I'll think about it and be back with my decision tomorrow.
The computer says that car can is about $366 for 300 km and $510 for 1500km.
Hmm let me think. What he gave me was two points. That means I can tell how much money it will take me to go on my trip. I estimated about 2000km for a round trip.
If the two points he gave me were (300,366), and (1500,510), that means that my slope is 3/25 and my y-intercept is 330. Now if I make an equation it would be, Y=3/25x+330. Now if I fill in my data. That's a reasonable price.
I did the math yesterday and found out that it would cost me about $570 for my 2000km trip. I'll take the car.
