How many liters of fuel are needed for a steamer to sail 700 kilometers if it uses 80 liters of fuel to sail 320 kilometers?
A
150
B
155
C
160
D
170
Correct Answer: 150
Fuel needed to sail 320 km = 80 liter Fuel needed to sail 700 km = 80×700/320 liter = 175 liter