Answer:
20%
Explanation:
Cars that are less than 19 mpg : 16, 18
2 cars have less than 19 mpg.
2/10 cars have less than 19 mpg.
To change fraction to percentage :
divide the numerator by the denominator, then multiply the decimal by 100
2/10 = 0.2
0.2*100 = 20
20%