Math
posted by Kate .
A mixture of petrol and oil for a two stroke lawn mower contains 85% petrol, how much oil is required for 18 litres of the fuel mixture?

Math 
Steve
18*.85 = 15.3 litres are petrol, so
2.7 litres are oil
Respond to this Question
Similar Questions

math
a car uses 25 litres of petrol to travel 200 miles. how many litres of petrol will the car use to travel 450 miles? 
algebra
Kristen wants to make 7.5 ounces of a 25% jasmine essential oil. She only has a 15% jasmine mixture and a 30% jasmine mixture available. How much of each mixture should she combine to create the desired oil? 
Algebra
Kristen wants to make 7.5 ounces of a 25% jasmine essential oil. She only has a 15% jasmine mixture and a 30% jasmine mixture available. How much of each mixture should she combine to create the desired oil? 
Maths
A garage bought 55000 litres of petrol for 86 pence a litre and sold it for 96 pence a litre calculate how much garage paid for petrol. 
rates
A bus uses 18 litres of petrol to travel 90 km. At the same rate of consumption, calculate the amount of petrol needed for a 200 km journey. 
MAth
Your lawnmower uses a gasoline and oil mixture for fuel. For every 2 gallons of gas you add 18 ounces of oil how much oil should you add for 5 gallons of gasoline? 
Statistics
A sign on the petrol pumps of a chain of petrol stations encourages customers to have their oil checked, claiming that one out of every four cars should have its oil topped up. Assuming this claim is true: (b) What is the probability … 
math
on the way to the Open Air Museum Jaz and Kim stop to buy petrol.The petrol costs $3.15 for one USE gallon. Kim wants to compare the cost of petrol in America with the cost of petrol in England. Kim uses this information  1 US gallon=3.875 … 
Math : ratio and proportion
if a scooter requires 2 litres of petrol to cover 80 kilometre then how many litres of petrol does it require to cover 1 kilometre? 
maths
A car runs 18 km using 1 litre of petrol. How much distance will it cover using 7 1\4 litres of petrol ?