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Tonight can carry up to 18 lb in her backpack. Her lunch weighs 1 lb, and her books (b) weigh 3 lb each. How many books can she carry in her backpack
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1 vote
Tonight can carry up to 18 lb in her backpack. Her lunch weighs 1 lb, and her books (b) weigh 3 lb each. How many books can she carry in her backpack

User Shehbaz Khan
by
7.8k points

2 Answers

6 votes
I am assuming she carries her lunch in her backpack...
1 + 3b = 18
3b = 18 - 1
3b = 17
b = 17/3
b = 5 2/3......so she can carry 5 books...if she didn't carry her lunch, she could carry 6 books..lol
User Jokumer
by
8.0k points
7 votes
5 books can be carried along with her lunch.
User David SN
by
8.5k points
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