SOLUTION: Don started driving easy at 6am at a rate of 75 mph. If Dennis leaves the same place heading east at 8 am at a rate of 80 mph, how long will it take him to catch up to Don?

Question 1015577: Don started driving easy at 6am at a rate of 75 mph. If Dennis leaves the same place heading east at 8 am at a rate of 80 mph, how long will it take him to catch up to Don?
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Think about the description for the times. Don left early going slower, in contrast to Dennis.
Dennis travels only hours, quantity of time for catchup.

             rate         time         distance
Don           75          t+2           d
Dennis        80           t            d

RT=D basic uniform travel rate rule.
If you know this and understand the data table, then you know what to do.

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