Rounding it off to the nearest tenth means rounding it off to the first decimal place . so the answer is 6.8
10% of all the cars is 20 limos.
20 * 10 = 200 cars total.
limos + vans + sedans = total cars
200 cars total - 20 limos - 60 vans = x sedans
x = 120 sedans
Step-by-step explanation:
(3x-11)+(2x+11)+2y = 180
5x+2y = 180
(3x-11)+(2x+11)=2y
5x = 2y
x = 18
y = 45