Did Bridget stay in her budget?

Question

Bridget went on a 3 day road trip and estimated she would spend no more than $150 on gas.

 

                  Day 1            Day 2          Day 3

Distance    330 miles     295miles

Time        5.2 hours                          4.5 hours           The chart on the left has to be filled in as well in the blank spaces

Rate                         67 ml per hr     61 ml per hr

 

Use the formula distance=rate x time to complete the information in the table above. Round each answer to the nearest tenth. Bridget averaged 23 miles per miles per gallon during her road trip. The average price was $3.80 per gallon. Find the total amount of money Bridget spent on gas. Did she stay within her budget?

Answer 1

Total distance = 330m + 295m = 625m

 

Total time = 5.2h + 4.5h = 9.7h

 

Average rate = (67mph +61mph) / 2 = 64mph

 

Mileage = 23mpg so, number of gallons of gasoline = 625m / 23mpg = 24.0 gallons

 

24 gallons x $3.80/gallon = $91.35

 

She stayed with her budget.