A synthetic motor oil additive will increase your fuel mileage 1 of 5 by 1% for...
A producer of synthetic motor oil for automobiles and light trucks has made the following statement: "One quart of Dynolube added to your next oil chan a. Assume the company's claim is correct. How much money will be saved by adding one quart of Dynolube if gasoline costs $2.92 per gallon and your b. If a quart of Dynolube sells for $21.86, would you use this product in your automobile? $ will be saved. (Round to the nearest cent.) Would...