SOLUTION: I'm confused to how to set this question up as an inequality. -Keith weighs 200 pounds. He wants to weigh less than 175 pounds. If he can lose an average of 2 pounds per week on

Question 25651: I'm confused to how to set this question up as an inequality.
-Keith weighs 200 pounds. He wants to weigh less than 175 pounds. If he can lose an average of 2 pounds per week on a certain diet, how long should he stay on his diet to reach his goal weight?
Found 3 solutions by stanbon, Shin123, ikleyn:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Let number of diet weeks be "x"
He wants his weight to be less that 175.
EQUATION:
200-2x<175
25-2x<0
25<2x
x>12.5
so, he needs to diet more than 12.5 wee,s.
Cheers,
Stan H.

Answer by Shin123(626)   (Show Source): You can put this solution on YOUR website!

Keith must weigh
He must be on a diet for 13 weeks to achieve his goal.
Answer by ikleyn(52797)   (Show Source): You can put this solution on YOUR website!
.
Set up this question as inequality in this way:

Find the number of weeks "w" from the inequality 200-2w < 175.

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