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Lapatulllka [165]
2 years ago
11

A​ student's cost for last semester at her community college was ​$2000. She spent ​$280 of that on books. What percent of last​

semester's college costs was spent on​ books?
Mathematics
1 answer:
Usimov [2.4K]2 years ago
8 0

Answer:

14%

Step-by-step explanation:

A way I usually do it is with a fraction setup.

280/2000 = ?/100

multiply 280 by 100, and you get 28000. divide this by 2000, and you get 14!

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If x-y=9,x²+y²=27,then xy=?​
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