SOLUTION: Pa got in his '29 Ford and started driving west from Jackson at a constant speed of 30 miles per hour. An hour later Ma got in her '31 Buick and started driving west from Jackson a

Question 305442: Pa got in his '29 Ford and started driving west from Jackson at a constant speed of 30 miles per hour. An hour later Ma got in her '31 Buick and started driving west from Jackson at a constant speed. After driving 4 hours Ma had passed Pa and was 10 miles ahead of him. How fast was Ma driving?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Ma's distance=Pa's distance+Distance he covered in 1 hour+10 miles.
Distance = Rate*Time
Let M be Ma's rate,

Ma's traveling at 40 mph.

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