Mathematics, 05.12.2020 20:10, melisa141b
A student bought n books with 20 dollars and 10-n books with 30 dollars each if p is the total price of the books then which one of the following is correct
A p=300-10n
B. P=3n+200
C. P=600-5n
D. P=6n+500
Answers: 3
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A student bought n books with 20 dollars and 10-n books with 30 dollars each if p is the total price...
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