<h2>
Answers:</h2><h3>a. How can you find the number of miles the train traveled each hour? </h3>
<em>78 miles</em><em>. Check explanation below.</em>
<em />
<h3><em>b. What is a reasonable estimate for the quotient?</em></h3>
<em>80 miles</em><em>.</em>
<h2>
Step-by-step explanation:</h2>
<h3>a. How can you find the number of miles the train traveled each hour?</h3>
<em>Stablish a rule of 3 like this:</em>
<em>12 hours ---------- 936 miles</em>
<em>1 hour -------------- x</em>
<em />.
Hence, the number of miles that the train traveled each hours was 78 miles.
<h3><em>b. What is a reasonable estimate for the quotient?</em></h3>
<em>Let's round this number to the closest 10, which is 80. </em>