The tank of a small car holds 24 gallons of fuel. Ten gallons will be used while sitting in still traffic. While on the highway, 2 gallons will be used per hour. What is the maximum number of hours the car can drive on the highway?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.