1 Cars get better gas mileage when their tires are properly inflated Jasmine wanted to test if this was true, so she filled the gasoline tank in her car inflated the tires to the car makers suggested air pressure drove her car, and then
calculated the miles per gallon The next time she filled the car's lank with gasoline, she reduced the pressure of air
in her tires Once again she drove the car over the same roads and calculated the miles per gallon She tried the
process again with fires that were inflated a little more than the suggested air pressure