Today, you've decided to treat yourself to some dessert, so you go to the store to buy a doughnut or a cupcake. The utilities of one doughnut and one cupcake are 18 and 26, respectively.Given that the price of one doughnut is $9, what should be the price of a cupcake to get the same utility per dollar spent? Enter your answer in the box and round to two decimal places if necessary.

Gerry just returned from a cross country trip. The trip was 3000 miles from his home and his total time in the airplane for the round trip was 11 hours. If the plane was flying at a rate of 550 miles per hour, what was the speed of the jet stream?

Last year, at Haven's Pond Car Dealership, for a particular model of BMW, Jeep, and Toyota, one could purchase all three cars for a total of $140,000. This year, due to inflation, the same cars would cost $151,830. The cost of the BMW increased by 8%, the Jeep by 5%, and the Toyota by 12%. If the price of last year's Jeep was $7,000 less than the price of last year's BMW, what was the price of each of the three cars last year?