1. JoAnn Brandt decided to use an expensive, but effective, herbicide to kill weeds and brush on aclient's land. For one part of the land, she needed 3 quarts of herbicide; for a second part, sheneeded 2 quarts; and for the third part, she needed 1 quarts. In total, how many quarts ofherbicide did JoAnn need for this client?2. An electrician had a piece of electrical conduit that was 12 feet long. She cut off two piecesthat were 4 feet and 5 feet long, respectively. How many feet of conduit did she have leftover?

1. JoAnn Brandt decided to use an expensive, but effective, herbicide to kill weeds and brush on a…

Answered: 1. JoAnn Brandt decided to use an…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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2. You have some coins, each of which is a penny (1 cent), a nickel (5 cents), a dime (10 cents), or a quarter (25 cents). You know that • you have twice as many pennies as nickels, • the number of dimes is one more than the number of pennies and nickels combined, you have 34 coins in total, • and the total value of your coins is $2.70 (270 cents). (a) Set up a system of linear equations for the numbers of pennies, nickels, dimes, and quarters you have. (b) Determine how many coins of each type you have, by solving the system from part (a).
3.) Mr. Richards and Mr. Dolge each began improving their yards over the summer by buying bags of soil (fancy dirt) and bags of mulch (bark dust). Since Mr. Dolge has access to a truck, Mr. Richards got a ride and as a result they got their supplies from the same store. Mr. Dolge spent $97 on 3 bags of soil and 14 bags of mulch. Mr. Richards got 14 bags of soil and 7 bags of mulch for $161. They forgot to get a receipt, but just in case they need more supplies, they are wondering how much each bag of soil will cost, and how much each bag of mulch will cost. What should they find these prices to be?
A middle school has a student to teacher ratio of 15 to 1. This middle school feeds into a high school that currently has 138 students and 7 teachers. If the high school would like to maintain the student to teacher ratio of the middle school, what would they need to do? Fire 9 teachers Fire 2 teachers Hire 2 teachers Fire 5 teachers Hire 9 teachers
11. Elyse is making punch for a party that requires 2 parts of fruit juice for every 5 parts of ginger ale. To make the punch, she uses 18 ounces of fruit juice and 3 containers of ginger ale. How many ounces are in each container of ginger ale?
1. Big H hatchery sells 50 Rhode Island Red chicks for $117 + $20.50 for shipping. Litter Cs hatchery sells 75 Rhodel Island Red chicks for $163+25.75 shipping. Compare unit price (including shipping) for the chicks. 2. 2liter sodas are on sale at 3 for $7. You reckon you need 20 of them. What is the unit price of a 2liter soda? How much will 20 sodas cost at this rate?
1. A store has some beans selling for $1 per pound and some vegetables selling for $2.80 per pound. The store plans to use them to produce 15 pounds of mixture and sell for $1.60 per pound. how many pounds of beans and how many pounds of vegetables should by used to produce 15 pounds of the mixture the store should use beans and 2. a rectangle length is 7ft shorter than twice it's width. perimeter is 256ft. find length and width. pounds of pounds of vegetables?
a) If a Burger plus 2 portion of fries cost $17.00 and 3 Burgers and 4 portion of fries cost $39.00, what is the cost of each item ( Burger and Fries)?
3. It takes me 5 hours to weed all of the gardens at my house. If my husband works with me, it will take us two less hours to weed all of the gardens (than it takes me working alone). If Mr. King did this job on his own, how long would it take him? Show all of your work to receive full credit

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