PPT-Using Systems to Solve Word Problems

Objectives Use the information in each problem to write a system of equations Solve the system of equations using substitution or elimination Answer the questions Steps to Follow Define Variables. This chapter provides examples of the application of one systems thinking approach system dynamics modeling to current tobacco control issues System dynamics has a rich research heritage emphasizes use of simulation models for anticipating dynamic c teachnologycom Solve the Word Problems Money Solve these word problems 1 The Sams are saving for a family vacation They need 1200 If they are saving 100 a month how many months will it take for them to go on vacation 2 Milk eggs and bread costs 854 H Directions. : Solve the following word problem. . Danielle and her 24 classmates all live in a low-income neighborhood and are all planning to graduate from college. A statistics says that only 8% of low-income students graduate from college. How many of Danielle’s classmates, including Danielle, are likely to graduate college?. #1. -2(c + 7). #2. 5(12 – c). #3. -12(s – 2). #4. (w – 5)4. Couple of Reminders. Be working on your projects.. Due Next Monday. . Turn in the poster as well as the item cost sheet.. I can understand the problem.. I can try different strategies until I solve the problem.. I can keep thinking until I solve the problem.. Practice 2- Reason Abstractly and Quantitatively . I can use math to represent solutions.. Supplementary. . . . Word Problems. Keys to Solving Word Problems. The supplement of an angle is twenty less than the angle. . Ex.1. Set up an equation and solve for each angle.. The complement of an angle is two times the angle. . Solving for the Unknown: A How-To Approach for Solving Equations. Copyright © 2014 by The McGraw-Hill Companies, Inc. All rights reserved.. McGraw-Hill/Irwin. LU 5-1: Solving Equations for the Unknown. Recall from JC maths / science:. Speed and distance are scalars. We use the vector versions, velocity (. ) and displacement (. ):.  . 1. Solve Problems About Linear Motion. only works for constant (or average) velocity.. Supplementary. . . . Word Problems. Keys to Solving Word Problems. The supplement of an angle is twenty less than the angle. . Ex.1. Set up an equation and solve for each angle.. The complement of an angle is two times the angle. . Materials developed by Paul Dickinson, Steve Gough & Sue Hough at MMU. Thank you. Sue, Steve and Paul would like to thank all the teachers and students who have been involved in the trials of these materials. Goal:. Use a system of linear inequalities to model a real-life situation.. Word Problems. Most of these problems will not give you a slope and y-intercept.. You will not be writing inequalities in Slope-Intercept Form.. Lesson Objective: 4.01a. Students will know how to solve word problems using slope. Slope Word Problems. In 2005, Joe planted a tree that was 3 feet tall. In 2010, the tree was 13 feet tall. Assuming the growth of the tree is linear. Radioisotopes decay in a . predictable. way. The time is takes for half of a sample to decay is called the . half life . for the isotope.. Every radioactive element has a unique half-life. C-14 is . Essential Question: How do you solve percent problems?. Before we start…. The sum of China and Japan’s total Olympic medals from 2004 is 100. What percent of their medals were gold? Silver? Bronze?.