Multiply the number of legs on a snake by the number of hours in day .what's the product

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Pls never taught i’m really confused and i rlly need

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work