Name: SAT Math Help & School Math Mastery
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#30750

money

linear equations

systems

hard

80 sec

A library has $b$ fiction books and $n$ non-fiction books. The number of fiction books is one-third the number of non-fiction books. If the library has a total of 60 books, which system of equations represents this situation?

A.

$b = \frac{1}{3} n$ and $b + n = 60$

B.

$n = \frac{1}{3} b$ and $b + n = 60$

C.

$b = 3 n$ and $b + n = 60$

D.

$n = 3 b$ and $b + n = 60$