SOLUTION: A young man who weighs 250 pounds is losing 1 3/4 pounds per week. How many weeks will it take for his weight to be less than 195 pounds?

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Question 838744: A young man who weighs 250 pounds is losing 1 3/4 pounds per week.
How many weeks will it take for his weight to be less than 195 pounds?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +W+ = his current weight
Let +n+ = number of weeks since he
weighed 250 pounds
----------------------
+W+=+-1.75n+%2B+250+
----------------------
Let +W+=+195+
+195+=+-1.75n+%2B+250+
+1.75n+=+55+
+n+=+55%2F1.75+
+n+=+31.429+
He will weigh less than 195 pounds
sometime during the 31st week