Answer:
7 :)
Step-by-step explanation:
Answer:
The 'm' stands for slope and the 'b' stands for the y-intercept, which is where the line crosses the y-axis.
To get the answer we can use proportion.
30----------100%
12-----------x
Cross multiply now
30x=12*100%
30x=1200% /:30 (divide both sides by 30)
x=40% - it's the percentage of cars which finished the race.
100%-40%=60% - it's the answer
