Susan has $25. She is going to spend $4 on a book, then $3 per day on lunch. a) Write an equation that represents the following question: “How many days can Susan buy lunch with this plan?” b) Solve your equation, and check your solution.
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She can buy lunch for one week
Explanation:
25-4=21
21-3-3-3-3-3-3-3=0
7x3=21
21÷7=3
21÷3=7
=$0
Sorry if it's too much and hopefully it helps...sorry if it's wrong or if it don't help
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