Question

you can lay 7 books of the same length end to end to make a length of $5\frac{1}{4}$ feet. what is the length of each book?what are you trying to find?the length of each bookthe number of books

Explanation:

Step1: Convert mixed number to improper fraction

$5\frac{1}{4} = \frac{5\times4 + 1}{4} = \frac{21}{4}$

Step2: Divide total length by number of books

$\text{Length of 1 book} = \frac{21}{4} \div 7 = \frac{21}{4} \times \frac{1}{7} = \frac{3}{4}$

The problem asks for the length of one individual book, given the total length of 7 identical books placed end to end.

Answer:

The length of each book is $\frac{3}{4}$ feet.

Additionally, for the "What are you trying to find?" question: