Divide Books by Hours: To find the unit rate of books per hour, we need to divide the number of books by the number of hours.Calculation: (61 book)/(32 hour)
Invert and Multiply: First, we need to invert the divisor 32 hour and multiply it by the dividend 61 book.Calculation: 61 book ∗23 hour−1
Multiply Numerators and Denominators: Now, we multiply the numerators and the denominators separately.Calculation: (1×3)/(6×2)=3/12
Simplify Fraction: Simplify the fraction123 to its lowest terms.Calculation: 123=41
Calculate Unit Rate: The unit rate is 41 book per hour.