Question 994336

write the appropriate equation and solve

The Zimmerman know that they usually average 55 mi/hr when driving the 715 mi to visit their grandparents. They leave at 6 a.m.

QUESTIONS:

On the way home, the Zimmerman left at 10:00 a.m. and drove at an average of 50 mi/hr before stopping at a hotel for the night at 6:00 p.m. How many miles do they need to travel on the next day to get home?
<pre>Distance: 715 miles
Distance traveled on return trip: 400 (50 * 8)
Distance remaining: 715 - 400, or {{{highlight_green(315)}}} miles