Chad wants to buy some books over the internet. each book costs $10.01 and has a shipping cost of $9.96 per order. if chad wants to spend no more than $50 for his books, which inequality shows the maximum number of books, p, that he can buy? 9.96p - 10.01p ≤ 50, so p ≤ 1 9.96p 10.01p ≤ 50, so p ≤ 2 9.96 - 10.01p ≤ 50, so p ≤ 3 9.96 10.01p ≤ 50, so p ≤ 4

Question

Mathematics

Cecilia Berg

22 March, 11:30

Chad wants to buy some books over the internet. each book costs $10.01 and has a shipping cost of $9.96 per order. if chad wants to spend no more than $50 for his books, which inequality shows the maximum number of books, p, that he can buy? 9.96p - 10.01p ≤ 50, so p ≤ 1 9.96p 10.01p ≤ 50, so p ≤ 2 9.96 - 10.01p ≤ 50, so p ≤ 3 9.96 10.01p ≤ 50, so p ≤ 4

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Answers (1)

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Antony Harding · Answer 1

If you would like to find the inequality that shows the maximum number of books that he can buy, you can do this using the following steps:

p ... number of books

$10.01 * p + $9.96 < = $50

10.01 * p + 9.96 < = 50

10.01 * p < = 50 - 9.96

10.01 * p < = 40.04

p < = 40.04 / 10.01

p < = 4 books

The correct result would be 9.96 + 10.01p ≤ 50, so p ≤ 4.