SOLUTION: It takes me 20 minutes to drive to work when I drive 50mph. How long will it take me to get to work if I drive 40mph instead of 50?

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Question 559631: It takes me 20 minutes to drive to work when I drive 50mph. How long will it take me to get to work if I drive 40mph instead of 50?
Found 2 solutions by josmiceli, solver91311:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+20+ minutes x +1%2F60+ hours/minutes = +1%2F3+ hr
given:
+d+=+50%2A%281%2F3%29+
+d+=+50%2F3+ mi
--------------
+d+=+40t+
+50%2F3+=+40t+
+t+=+50%2F120+
+t+=+5%2F12+ hrs
+t+=+25%2F60+ hrs
+25%2F60+ hrs x +60+ minutes/hr = +25+ min
It will take 25 minutes driving at 40 mi/hr

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


20 minutes is hour, so, since Distance = Rate * Time, we can say the distance to work is miles.

Then since Time = Distance / Rate, we can say the time to go miles at 40 miles per hour is hours.

But since hours is minutes, you can caculate the number of minutes it will take.

John

My calculator said it, I believe it, that settles it
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