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CHALLENGE! 13. Nick Dolsky raised 60 goats, then entered into a series of business transactions. He traded all the goats for sheep at an exchange rate of 5 goats for 7 sheep. Next, he exchanged all the sheep for hogs at a rate of 4 sheep for 2 hogs weighing 250 lbs. each. He sold all the hogs at a market price of $55.00 per 100.0 lbs. How much money did he make from the 60 goats? 14. It is thought that the average person spends about 2 minutes per day sitting at red lights. If you live for 75 years, approximately how many hours would you have spent sitting at red lights if you started driving when you were 16