By Owen Hart and David Pyle

Plot the cost of owning and operating

each car on the same graph, with

years of ownership along the x-axis

Years Hybrid Non-Hybrid

0 25,000 20,000

1 25,846.15 21,320

2 26,692.30 22,640

3 27,538.46 23,960

4 28,384.60 25,280

5 29,230.75 26,600

6 30,076.92 27,920

7 30,923.07 29,240

YEARS

PRICES

0

5000

10000

15000

20000

25000

30000

35000

0 1 2 3 4 5 6 7

Blue is

Hybrid

Orange is

Non-Hybrid

Use an inequality to determine how

long it will take for the cost of owning

car A (non-hybrid) to overtake the cost

of owning car B (hybrid). Check you

answer with your graph from part a.

12,000/39x2.75y+25,000<12,000/25x2.75y+20,00

0

Y < 331.29