Answer:
18.1 million
Step-by-step explanation:
12.1 - 4.9 = 7.2 million increase in 6 years
7.2 / 6 = increase of 1.2 million a year
1.2 x 5 years = 6 million
12.1 million + 6 million = sales of 18.1 million in 2001
144
3%
1400m
X*30%=420, X=420/30%=420/0.3=1400