1 / 8

Section 3.2

Section 3.2. Solving Application Problems. Problem – Solving Procedure . Understand the problem. Identify what is known and what is needed. Translate the problem into an equation. Choose a variable to represent one quantity. WRITE IT DOWN. “Let x = …..”

noreen
Télécharger la présentation

Section 3.2

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Section 3.2 Solving Application Problems

  2. Problem – Solving Procedure • Understand the problem. Identify what is known and what is needed. • Translate the problem into an equation. • Choose a variable to represent one quantity. WRITE IT DOWN. “Let x = …..” • Express all quantities in terms of that variable. • Solve the equation. • Make sure you answer the question that was asked and include units where indicated!

  3. Examples from p 192 - 195 #10. The sum of two consecutive integers is 113. Find the numbers. #14 One number is 5 less than 3 times a second number. Their sum is 43. Find the numbers.

  4. s # 20 The Alpine Valley Ski Shop sold 6 times as many downhill skis as cross-country skis. Determine the number of pairs of cross-country skis sold if the difference in the number of pairs of downhill and cross-country skis sold is 1800. # 22 A candle shop makes 60 candles per week. It plans to increase the number of candles it makes by 8 per week until it reaches a production of 132 candles per week. How many weeks will it take for the shop to reach its productions schedule?

  5. # 28 The amount of time per day spent by 8 – 18 year olds watching tv is 16 minutes more than 5 times then number of minutes they spend reading. If the total amount of time per day reading and watching tv is 274 minutes, determine the number of minutes watching tv. # 34 Carol rents a truck for one day and pays $50 per day plus 30 cents a mile. How far can Carol drive in one day if she has only $92?

  6. # 42 The Coastline Racquet Club has two payment plans for its members. Plan 1 has a monthly fee of $20 plus $8 per hour for court time. Plan 2 has no monthly fee, but court time is $16.25 per hour. If court time is rented in 1-hour intervals, how many hours would you have to play per month so that plan one becomes a better buy? # 48 Yoliette purchased a new car. The cost of the car, including a 7.5% sales tax was $24,600. What was the cost of the car before tax?

  7. # 54 At a 1-day 20% off sale, Jane purchased a hat for $25.99. What is the regular price of the hat? # 56 During the 2006 contract negotiations, the city school board approved a 5% pay increase of its teachers, effective in 2007. If Dana, a first-grade teacher, projects his annual salary to by $46,400, what was is 2006 salary?

  8. # 64 Bill wants to rent a building for a week to show his artwork and has been offered two rental plans. Plan 1 is a rental fee of $500 plus 3% of the dollar sales he makes. Plan 2 is $100 plus 15% of the dollar sales he makes. What dollar sales would result in both plans having the same total cost? # 68 Charles made a $200,000 cash contribution to 2 charities, the American Red Cross and the United Way. The amount received by the Red Cross was 30% greater than the amount received by the United Way. How much did the United Way receive?

More Related