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#36510

equations

word problem

arithmetic

hard

180 sec

A library acquired new books in two categories: fiction and non-fiction. The number of fiction books acquired was 30 more than $\frac{5}{4}$ times the number of non-fiction books acquired. If the library acquired a total of 480 books, how many non-fiction books were acquired?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.