Todd had five gallons of gasoline in his motorbike. After driving 100 miles, he has three gallons left. What is Todd's rate of change in miles per gallon?

The rate of change in miles per gallon is 50 miles per gallon

From the given question, we are told that Todd used 2 gallons of gasoline when he traveled for 100 miles. This can be written as:

2 gallons  = 100 miles

In order to calculate the rate of change in miles per gallon, we will have:

Divide both expresions

2/1 = 100/x

2x = 100

x = 50 miles per gallon

Hence the rate of change in miles per gallon is 50 miles per gallon

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50 miles per gallon

Step-by-step explanation:

after 100 miles, he went down 2 gallons

100/2 gallons = 50 miles for one gallon