SOLUTION: 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. QUEST

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: 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. QUEST      Log On


   

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?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The Zimmerman's traveled for 8 hour on the way home. That distance was 55%2A8 miles.

Still remaining distance, 715-55%2A8 miles.

How much time to finish?
t, this time in hours,
55%2At=%28715-55%2A8%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

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?
Distance: 715 miles

Distance traveled on return trip: 400 (50 * 8)

Distance remaining: 715 - 400, or highlight_green%28315%29 miles