A farmer has several packages of fertilizer for his new grain crop. The old packages contain 50 pounds of long-term-growth supplement and 60 pounds of weed killer. The new packages contain 65 pounds of long-term-growth supplement and 45 pounds of weed killer. Using past experience, the farmer estimates that he needs 3125 pounds of long-term-growth supplement and 2925 pounds of weed killer for the fields. How many old packages of fertilizer and how many new packages of fertilizer should he use?30330410.Hospital DieticianA staff hospital dietician has two prepackaged mixtures of vitamin additives available for patients. Mixture 1 contains 5 grams of vitamin C and 3 grams of niacin; mixture 2 contains 6 grams of vitamin C and 5 grams of niacin. On an average day she needs 87 grams of niacin and 117 grams of vitamin C. How many packets of each mixture will she need?11.Coffee and Snack ExpensesOn Monday, Luis picked up five scones and six large coffees for the office staff. He paid $18.39. On Tuesday, Rachel picked up four scones and seven large coffees for the office staff. She paid $17.99. What is the cost of one scone? What is the cost of one large coffee?12.Advertising CostsA local department store is preparing four-color sales brochures to insert into the Salem Evening News. The printer has a fixed charge to set up the printing of the brochure and a specific per-copy amount for each brochure printed. He quoted a price of $1350 for printing five thousand brochures and a price of $1750 for printing seven thousand brochures. What is the fixed charge to set up the printing? What is the per-copy cost for printing a brochure?13.AirspeedAgainst the wind a small plane flew 210 miles in 1 hour and 10 minutes. The return trip took only 50 minutes. What was the speed of the wind? What was the speed of the plane in still air? Page 45 of 74 Print | Beginning & Intermediate Algebra 1/31/2014 ...
PRINTED BY: [email protected] Printing is for personal, private use only. No part of this book may be reproduced or transmitted without publisher's prior permission. Violators will be prosecuted. 14.Aircraft OperationAgainst the wind, a commercial airline in South America flew 630 miles in 3 hours and 30 minutes. With a tailwind, the return trip took 3 hours. What was the speed of the wind? What was the speed of the plane in still air?15.Fishing and BoatingDon Williams uses his small motorboat to go 8 miles upstream to his favorite fishing spot. Against the current, the trip takes hour. With the current, the trip takes hour. How fast can the boat travel in still water? What is the speed of the current?16.Canoe TripIt look Lance and Ivan 6 hours to travel 33 miles downstream by canoe on the Mississippi River. The next day they traveled for 8 hours upstream for 20 miles. What was the rate of the current? What was their average speed in still water?17.BasketballIn 1962, Wilt Chamberlain set an NBA single-game scoring record. He scored 64 times for a total of 100 points. He made no 3-point shots (these were not part of the professional basketball game until 1979), but made several free throws worth 1 point each and several regular shots worth 2 points each. How many free throws did he make? How many 2-point shots did he make?
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