Answer:
Step-by-step explanation:
10% of 3.65 is .365. .365 times 3 is 1.095. add that to 3.65 and you get 4.745 or 4.75... which is ridiculous for a gallon of gas dang
for the second one. easy division. 800/14 gives you the average miles per hour, so 800/14 is 57.14 miles an hour