The doctor has told Cal O'Ree that during his ten weeks of working out at the gym, he can expect each week's weight loss to be $
1\%$ of his weight at the end of the previous week. His weight at the beginning of the workouts is $244$ pounds. How many pounds does he expect to weigh at the end of the ten weeks?
This problem can be treated as a compounded interest with a weekly rate of -1%. Cal's weight after 'n' weeks at a 1% loss rate per week is described by the following expression:
For n = 10 weeks, Cal's weight is:
He expects to weigh 220.67 pounds at the end of the ten weeks.
The price: - last year: $2.25 - this year: $.45 The decrease: $2.25 - $.45 = $1.80 2.25 : 1.80 = 100 : x 2.25 x = 180 x = 180 : 2.25 x = 80 Answer: The percent of decrease is A ) 80%
