SOLUTION: Set up an equation and solve the problem. Keep in mind the suggestions we offered in this section. Sandy leaves a town traveling in her car at a rate of 30 miles per hour. One ho

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Question 1021382: Set up an equation and solve the problem. Keep in mind the suggestions we offered in this section.
Sandy leaves a town traveling in her car at a rate of 30 miles per hour. One hour later, Monica leaves the same town traveling the same route at a rate of 45 miles per hour. How long will it take Monica to overtake Sandy?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi  

Both cars travel same distance  D= rt

30mph(t) = 45mph(t-1)

 45 = 15t

 3hr = t