A farmer wants to find the best time to take her hogs to market. The current price is 108 cents per pound and her hogs weigh an average of 90 pounds. The hogs gain 5 pounds per week and the K market price for hogs is falling each week by 2 cents per pound. How many weeks should she wait before taking her hogs to market in order to receive as much money as possible? She should wait weeks.

Use the rule of thumb method to find out what the average room rate should be for a 300-room hotel, costing $25 million. Once you find the average room rate, assume that an occupancy of 78% is expected and double occupancy rate is 44% with a price difference between singles and doubles of $15 (the hotel has 150 double rooms and 150 single rooms), find the rate for double rooms and the rate for single rooms.

Joni planted two tree saplings in their garden on the same day. One tree sapling started out 25 inches tall and grew at a rate of 1.5 inches per week. Another tree sapling started out 35 inches tall and grew at a rate of 1 inches per week. After how many weeks were the two tree saplings the same height? weeks How tall were the saplings at this time? inches

Amy folded a total of 516 paper cranes and stars for a charity fair on the 1st day. After selling 5/6 of the number of cranes and 2/3 of the number of stars, she folded another 72 cranes and 84 stars for sale on the 2nd day. Now the ratio of the number of cranes to the number of stars became 3:4. How many paper stars did she fold on the 1st day?