Answer:
2.64 gallons
Explanation:
Using the information in the table to find out how much petrol he uses. Average speed Miles travelled per gallon 65 mph or less More than 65 mph 50 40 mph stands for miles per hour
13 miles /13 minutes = 1 mile per minutes × 60 minutes/ hour = 60 miles per hour
The miles per gallon is 50 per the chart
13 miles ÷ 50 miles per gallon
13 × 1/50 gallons per mile = 13/50 gallons = 0.26 gallons
Now for the second leg we went 68 miles per hour
The miles per gallon is 40 per the chart
We need to find the distance
1 hour 24 minutes = 1 24/60 hours = 1.4 hours
1.4 hours × 68 mph = 95.2 miles
95.2 miles ÷ 40 miles per gallon
95.2 × 1/40 gallons per mile = 2.38 gallons
Add the number of gallons together
0.26 + 2.38 = 2.64 gallons