23 January, 10:50

# Brian is ordering books online. He has \$100 to spend on the books. Each book costs \$7. The shipping charge for the entire order is \$8. The number of books, b, that Brian can buy is represented by the inequality 7b + 8 < 100. How many books can Brian buy without overspending?13151820

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Answers (2)
1. 23 January, 11:06
0
You have to plug in the numbers.

So first let's plug in 13. 7*13+8=99

Now 15. 7*15+8=113

Now 18. 7*18+8=134

Lastly 20. 7*20+8=148

The answer is 13.
2. 23 January, 11:34
0
You have \$100 but the shipping is \$8 so you subtract that from \$100 and get \$92, At \$7 dollers a book you can get 13 books before going over 7x13=91. So the answer is 13 and you will spend \$99 total.
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