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Andy has $310 in his account. Each week, w, he withdraws $30 for his expenses. Which expression could be used if he wanted to find out how much money he had left after 8 weeks? 1) 310-8w 2) 280+30(w-1)
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12 votes
12 votes
Andy has $310 in his account. Each week, w, he withdraws $30 for his expenses. Which expression could be used if he wanted to find out how much money he had left after 8 weeks?

1) 310-8w
2) 280+30(w-1)
3) 310w-30
4) 280-30(w-1)

User Amir Mgh
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2 Answers

19 votes
19 votes
D- 280-30(w-1)

EXPLANATION - we read the questions and create 310-30w as an equation, but we have to find another way that is equivalent to A B C or D. If you take D-280-30(w-1) and distribute to get 280-30w+30 then you have to combine like terms to get 310-30w.
User Arnabjyoti Kalita
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2.9k points
17 votes
17 votes

Hey you man what are you doing here go to there

User Chris Lawlor
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