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IrinaK [193]
2 years ago
14

Sam is selling used books online. The first book the customer buys is $8.00, the second-third book are $7.00 each, the fourth an

d all other books, b, are $5.00. A buyer has $35 to spend, before tax and shipping. Write an inequality to show how many books this customer may buy before the applicable taxes and shipping charges.
Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
3 0
8+7+7+5b is less than or equal to 35
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Answer:

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Step-by-step explanation:

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As Erik left his house at 10 AM driving at 70 mph and in 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph. It means

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Let 't' be the time when they meet

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70t\:+\:50t\:=168

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