Problem Solving Using Equations

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Let's assume that Brian is twice as old as Charlie.

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Try it risk-free Let's meet Sally, whose class just learned about using equations to solve word problems.

Our original equation was: (c 3) (2c 3) = 33 If c = 9 9 3 2(9) 3 = 33 15 18 = 33 33 = 33 Since the left side equals the right side, then our answers are correct; Charlie is 9 years old and Brian is 18 years old.

Solving a word problem involving age can seem challenging because of all the information presented.

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