Answer: $13.65
Explanation:
This problem can be solved by the Rule of three, a mathematical rule to find out an amount that is with another quantity given in the same relation as other two also known:
If:
1 gallon ----- $3.25
4.2 gallons ----- ?
Then:
[tex]?=\frac{(4.2 gallons)($3.25)}{1 gallon}[/tex]
[tex]?=$13.65[/tex] This is the amount of money Mia will pay for filling the tank with 4.2 gallons