The graph shows the relationship between the distance a truck can travel and the amount of gasoline used.

what is the unit rate for the situation?

a. 1/7
b. 7 mpg
c. 35 mpg
d. 175 mpg

The unit rate for the situation that shows the relationship between the distance a truck can travel and the amount of gasoline used is 7 miles per gallon

The graph given is a straight line.

The unit rate in the situation will be gotten by finding the slope of the line graph.

The slope of the line is expressed using the formula:

Using the coordinate points (1, 7) and (5, 35) on the line

This shows that the unit rate for the situation is 7 miles per gallon

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we know that

A unit rate is a ratio between two different units with a denominator of one

so

in this problem, the unit rate is equal to the slope of the line

Let

the slope is equal to

Substitute the values

the unit rate means that the truck can travel miles per one gallon of gasoline used

therefore

the answer is

The unit rate is equal to the option

B. 7 mpg

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