an auto dealer report car sales in 1999 reported car sales revenue down 11% from 1998 while truck sales revenue in 1999 were up 7% from 1998. if total revenue from car and truck sales in 1999 went up 1% from 1998, whats the ratio of car revenue in 1998 to truck revenue in 1998?

a) 1:2
b) 4:5
c) 1:1
d) 3:2
e) 5:3