A motorist pays $26.50 for 10 gallons of gas and 2 quarts of oil. Another motorist paid $23.58 for 8 gallons of gas and 3 quarts of oil. What is the cost for a gallon of gas and a quart of oil.

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Can you me find the missing length. i attached an image.