Algebra: A Combined Approach (4th Edition)

$13 \frac{13}{20}$
Write the fractions in the improper form: $\frac{21}{10} \times \frac{13}{2}$ Multiply numerators and denominators to find answer: $\frac{21}{10} \times \frac{13}{2} = \frac{273}{20}$ --> $13\frac{13}{20}$