The unit rate of gas usage is 35 miles per gallon.
Step-by-step explanation:
"Unit rate" refers to the number of miles for 1 gallon.
From the graph given,
it can be determined that, the car goes 2 miles for 70 gallons and 3 miles for 105 gallons.
To find miles per gallon, use rate formula
Rate= Given miles/ Given gallons= 2/70
Unit Rate= miles/ 1 gallon= X/1
where "X" term refers to number of miles per gallon.
By Comparing the rates we get,
2/70 =X/1
X=35 miles per gallon
Similarly,
3/105 =X/1
X=35 miles per gallon
