Lucia rented a car for 230 per week with unlimited driving m

Lucia rented a car for $230 per week (with unlimited driving miles) to use during her spring break vacation. She must also pay for gasoline which costs $3.80 per gallon. The car gets 20 miles per gallon (mpg). Let mmrepresent the number of miles Lucia has traveled and let gg represent the number of gallons of gasoline Lucia has used.

E) Match the following expressions with the appropriate description from the list. You may use an answer more than once or not at all.

1) 3.8g+2303.8g+230

2) 3.8m203.8m20

3) 3.8g3.8g

4) m20m20

A. The number of gallons of gasoline Lucia has used

B. The cost of the gasoline that Lucia has used

C. The number of miles Lucia can drive with 1 gallon of gasoline

D. The cost of one gallon of gasoline

E. The cost of the rental car and gas

F. The number of miles Lucia traveled

I) Define a formula to determine the total cost, T, of driving the rental car

mm miles (including the one-week rental cost of $230.)

Solution

A. The number of gallons of gasoline Lucia has used

--- mm/20

B. The cost of the gasoline that Lucia has used

---- 3.80*gg = 3.80gg

C. The number of miles Lucia can drive with 1 gallon of gasoline

--- 20 miles in 1 gallon

D. The cost of one gallon of gasoline

---- $3.89 per gallon

E. The cost of the rental car and gas

--- Rental : 230 +3.80gg

F. The number of miles Lucia traveled

---- 20gg

I) Total cost , T : 230 +3.80gg