Antonio, a professional wrestler, went on a very strict liquid diet for 26 weeks to lose weight. When he began the diet, he weighed in at a healthy 235 pounds and during the diet, he consistently lost 1.5% of his
body weight each week. His weight loss can be modeled by the function W (t) = 235(0.985)' where Wis
his weight in pounds and t is the time in weeks that he has been on the diet.

What was his weight in pounds after 5 weeks?
How long did it take(in weeks) him to weigh in at 161.05 pounds?