Reference no: EM131054411

1) An airport parking lot is a rectangle of a mile wide and of a mile long. How much ?fencing is needed to enclose the lot? Show work using fraction arithmetic, and include units with your answer.

2) A recent study has shown that roughly 35 out of 82 residents of a certain city have high cholesterol. If the population of the city is 12,382 people, about how many people have high cholesterol? Set up and solve a proportion to answer the question. Include units with your answer.

3) The original price of a computer was $995.00. Eleanor had a 15% off coupon which she was able to use to make the purchase. If sales tax of 5.5% was added after the discount was taken, how much did Eleanor pay altogether for the computer? Round your answer to the nearest cent if necessary and include units.

4) The nutritional chart on the side of a cereal box states that there are 235 calories in a 2/3-cup serving of the cereal. Eric regularly eats 2 cups of that cereal for breakfast. Use a proportion to determine the number of calories in 2 cups of that cereal. Include units with your final answer.

5) Jason borrowed $24,799 at a rate of 12.5% simple interest to pay for a new car. If he paid off the loan in 5 years, how much interest did Jason pay? How much did Jason pay altogether for the car? Round your answers to the nearest cent if necessary and include units with both.