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olganol [36]
2 years ago
10

Alex’s SUV gets an average of only 15 miles per gallon. Gas costs $2.19 per gallon. Write a rule that gives the cost of a trip C

when you know the number of miles d that Alex travels.
Mathematics
1 answer:
s2008m [1.1K]2 years ago
7 0

Answer:

(d miles)/(15 miles/gallon)*($2.19/gallon)

Step-by-step explanation:

Fuel efficiency = 15 miles/gallon.

Gas is $2.19/gallon.

Total cost is y.

miles is d

The equation that provides the total fuel for a trip in Alex's SUV would be:

Fuel for d miles (gallons) = (d miles)/(15 miles/gallon)

This is the total fuel required for a trip of d miles.  Multiply this times the cost per gallon to find the total ciost of the trip:

(d miles)/(15 miles/gallon)*($2.19/gallon) = Total cost for a trip of d miles.

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