The cost per day is $65 per day, the total cost for 8days will be: 8×65 =520 suppose that E is the number of miles she can drive without exceeding $600. Thus 0.24×E+520=600 hence solving for E we get 0.24E=600-520 0.24E=80 hence E=80/0.24 E=333.3333 E~333
