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