Let x = mileage 98 >= 35 + .21x Solving for x: 98 >= 35 + .21x 63 >= .21x 300 >= x . This says that if the total mileage is 300 miles or less he will be within his budget.
It would be the answer with Juana. Additive integers are adding a postive and negative number to add to zero ex) -5+5=0. So in this situation you can think of west and east as positive and negative.
