36.89 total divided by the 8.6 gallons he bought = 4.2 so the price per gallon would be $4.20
5/9 to chose odd card, 3/6 to roll even number
Please see pic for answer and work
The answer is in the image. If you convert them to improper fractions, the division is easier. Like 2/3 + 1 = 5/3