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2. Two trains leaving the station at different times... - Wyzant

   www.wyzant.com/resources/answers/12829/two_trains_leaving_the_station_at...

   The trick with word problems is to pick them apart to see what you know, then build equations that you can solve. It takes some practice. In this problem, we know that one train starts two hours before the other one and travels at a known rate. Let's calculate how far it goes in those two hours: d = rt = 2 hrs * 60 mi/hr = 120 mi

3. Basic Word Problems - Wyzant Lessons

   www.wyzant.com/resources/lessons/math/algebra/word-problems

   Basic Word Problems. A word problem in algebra is the equivalent of a story problem in math. When you solved story problems in your math class you had to decide what information you had and what you needed to find out. Then you decided what operation to use. Addition was used to find a totals and subtraction was used to find changes in values.

4. Newest College Algebra Word Problem Questions - Wyzant

   www.wyzant.com/resources/answers/topics/college-algebra-word-problem

   Expert Answers • 1. College Algebra Word Problem Algebra Word Problem. 10/03/18. The number of males is five more than three times the number of females. If the total number students 73 how many of each gender are in the classroom. The number of males in the classroom is five more than three times the number of females.

5. Precalculus Help, Problems, and Solutions - Wyzant Lessons

   www.wyzant.com/resources/lessons/math/precalculus

   The trick is picking which one would work better and faster for you. The methods explained include: Substitution Method. Elimination Method. Matrix Method. Consistent and Inconsistent Systems. Precalculus Help and Problems Topics in precalculus will serve as a transition between algebra and calculus, containing material covered in advanced algebra.

6. Story Problems - Wyzant Lessons

   www.wyzant.com/resources/lessons/math/elementary_math/story_problems

   Story Problems. Once you know your basic operations (addition, subtraction, multiplication, division), you will encounter story problems, also known as word problems, which require you. to read a problem and decide which operation to perform in order to get the answer. There are key words here that often indicate which operation you will use.

7. Proportion Calculator - Wyzant Lessons

   www.wyzant.com/resources/lessons/math/algebra/calculators/proportion

   For multiplication, use the *. symbol. A * symbol is not necessiary when multiplying a number by a variable. For instance: 2 * x can also. be entered as 2x. Similarly, 2 * (x + 5) can also be entered as 2 (x + 5); 2x * (5) can be entered as 2x (5). The * is also optional when multiplying parentheses, example: (x + 1) (x – 1).