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Published byNico Satterlee Modified about 1 year ago

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Lesson 3-1 Example Solve. MUSIC Sabrina wants to buy an MP3 player and some accessories. The player costs $120 and the accessories will cost an additional $145. How much money does Sabrina need in all? UnderstandRead the problem. Write what you know. The MP3 player costs $120. The accessories cost $145.

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Lesson 3-1 Example PlanPick a strategy. One strategy is to solve a simpler problem. Write the cost for each item in expanded form.

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Lesson 3-1 Example SolveMP3 player: Accessories: Write the sum. $265 Sabrina needs $265 to buy the MP3 player and accessories. Add each column:

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Lesson 3-1 Example CheckDoes your answer make sense? The total cost should be greater than the cost of each item.

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