SOLUTION: During an 8-hour day, a veterinarian spent twice as much time tending animals at her clinic as she did making house calls. If she spent one hour of the day eating lunch, how many h

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Question 764346: During an 8-hour day, a veterinarian spent twice as much time tending animals at her clinic as she did making house calls. If she spent one hour of the day eating lunch, how many hours did she spend making house calls?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +t+ = time vet spent making house calls
+2t+ = vets time spent tending animals
+1+ hours spent eating lunch, so vet worked
+8+-+1+=+7+ hrs/day
---------------------
+t+%2B+2t+=+7+
+3t+=+7+
+t+=+7%2F3+ hrs
+t+=+2+%2B+1%2F3+
convert +1%2F3+ hr to minutes
+%281%2F3%29%2A60+=+20+ min
The vet spent 2 hrs and 20 min making house calls
check:
+t+%2B+2t+=+7+
+7%2F3+%2B+2%2A%287%2F3+%29+=+7+
+7%2F3+%2B+14%2F3+=+7+
+21%2F3+=+7+
+7+=+7+
OK