1.3_bzca5e - Section 1.3 Models and Applications Problem...

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Unformatted text preview: Section 1.3 Models and Applications Problem Solving with Linear Equations Strategy for Solving Word Problems Step 1: Read the problem carefully. Attempt to state the problem in your own words and state what the problem is looking for. Let any variable represent one of the quantities in the problem. Step2: If necessary, write expressions for any other unknown quantities in the problem in terms of x. Step 3: Write an equation in x that models the verbal conditions of the problem. Step 4: Solve the equation and answer the problems question. Step 5: Check the solution in the original wording of the problem, not in the equation obtained from the words. S o l v i n g w o r d p r o b l e m s w i t h t h e w o r d e x c e e d s c a n b e t r i c k y . I t i s h e l p f u l t o i d e n t i f y t h e s m a l l e r q u a n t i t y a s x , t h e n a d d t o i t t o r e p r e s e n t t h e l a r g e r q u a n t i t y . I f T i m s h e i g h t e x c e e d s T o m s b y y i n c h e s t h e...
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