SOLUTION: Kathy was travelling "d" miles to Miami at "n" miles per hour and arrived 3 hours late for the beach party. How fast should she have travelled to arrive on time? Please show work

Question 1157793: Kathy was travelling "d" miles to Miami at "n" miles per hour and arrived 3 hours late for the beach party. How fast should she have travelled to arrive on time?
Please show work thanks!!
Found 3 solutions by Shin123, josgarithmetic, MathTherapy:
Answer by Shin123(626)   (Show Source): You can put this solution on YOUR website!
Because distance equals rate times time, she took hours to get there. If she wanted to arrive on time, she must have took hours to get there. Because distance equals rate times time, plugging the numbers in gets . Dividing gets miles per hour.
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!

SPEED TIME DISTANCE Kathy did n d/n d for speed needed n+x d/(n+x) d Difference 3

Solve for x or find x+n.

The speed NEEDED was supposed to be .
Answer by MathTherapy(10557)   (Show Source): You can put this solution on YOUR website!

Kathy was travelling "d" miles to Miami at "n" miles per hour and arrived 3 hours late for the beach party. How fast should she have travelled to arrive on time?
Please show work thanks!!

Time taken to get to party:
On-time time to get to party:
Speed to get there on time:
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