A gallon of gas costs $3.12. Marco got 5.25 gallons. How much did Marco spend on gas? Round your answer to the nearest hundredth.

A.
$8.37

B.
$16.38

C.
$1.68

D.
$41.62

To find the total amount spent on gas, you multiply the cost per gallon ($3.12) by the number of gallons (5.25).

$3.12 * 5.25 = $16.38.

Therefore, the answer is B. $16.38.