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HOW TO WORK WORD PROBLEMS IN ALGEBRA: PART II The passenger train started 2 hours after the freight train, so the freight train took 2 hours longer. You can represent the time for the freight train by x + 2: Rate Now, rate times time equals distance (rxt= d), so multiply what you have in the rate box times what.
rate problems: distance and time, Work, mixture, and Cost. Word problem setup. 200. Some problems require translation of words into algebraic expressions or equations. For example: 8 more than 7 times a number is 22. Find the number. Let n 5 the number. We have. 7n 1 8 5 22. 7n 5 14 n 5 2. Another example: There are
Problem 1: It takes 1.5 hours for Tim to mow the lawn. Linda can mow the same lawn in 2 hours. How long will it take John and Linda, work together, to mow the lawn? Solution to Problem 1: We first calculate the rate of work of John and Linda John: 1 / 1.5 and Linda 1 / 2; Let t be the time for John and Linda to mow the Lawn
Did you answer the question the problem is asking? Does the answer make sense? WORK WORD PROBLEMS. When a word problem has information about getting a job done, then you know the equation you want to use as a set up is the following. Work = (Rate of work) x (Time worked) or W = RT. The rate of work refers
RATE OF WORK AND MOTION PROBLEMS. Class work. 1) It takes Fred 8 hours to prepare the stadium field for a football game. He earns. $10/hour. It takes Sam 12 hours to do the same job and he gets paid $7/hour. a. How long would it take to prepare the stadium if Fred and Sam worked together? b. What is the
Rate Problems /. The word rate is frequently used in word problems. It is usually accompanied by another word, such as per, for, or in. For example: miles per hour, interest per year, price per pound or price for a certain weight, work done per hour or work done in so many hours. In this chapter there will be examples of
Intermediate Algebra - 12. SOLVING WORK-RATE PROBLEMS. Part I: Introduction. To solve work-rate problems it is helpful to use a variant of distance equals rate times time. Specifically: Q rt. In this formula Q is the quantity or amount of work done, r is the rate of work and t is the time worked. EX 1: If a machine can produce.
Kuta Software - Infinite Algebra 1. Name___________________________________. Period____. Date________________. Work Word Problems. Solve each question. Round your answer to the nearest hundredth. 1) Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours.
Work Rates Problem. LSC-O 6/2010, Rev. 2011. Page 1 of 2. Instructions. Example. 1. Carefully read the problem, note what numerical data is given, and what is being asked for. One pipe can fill a tank in 15 hours, and a larger pipe can fill the same tank in 10 hours. If both pipes are used simultaneously, how many hours
14 Aug 2011 I re-accumulated the work rate problem with solutions. At
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