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5. Jenny bought 4 books in a bookstore. The prices of the first 3 books were $10, $15 and $25. The average price she paid for the 4 books was $18 per book. How much did she pay for the 4th book? Help me
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4 votes
5.

Jenny bought 4 books in a bookstore. The prices of the first 3 books
were $10, $15 and $25. The average price she paid for the 4 books
was $18 per book. How much did she pay for the 4th book?

Help me outttt

User Jmans
by
4.8k points

2 Answers

1 vote

Answer:

22 dollars

Explanation:

User Stringparser
by
5.0k points
3 votes
$22. Use trial and error punching in a 4th number then dividing the total by 4.
User Seyi Daniel
by
5.3k points
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