Sheet # 82 Critical Thinking
Name: _____________________ Date_____________
Show and explain your work. Draw pictures or make tables to explain your answer.
Gretchen and Janet set up a fishing pond. The first year they stock it with 5,000 fish. They expect to lose about 15% of the fish each year as a result of deaths, and the fish people catch. They throw in 1,000 fish each year to replenish the pond. Assume this pattern continues, how many fish will be in the pond in 10 year?
Answers for Sheet # 82
5336 at the end of 10 years.
beginning of year
1
5000
.85 x 5000 = 4250
2
4250 + 1000 (added) = 5250
4462
3
4462 + 1000 = 5462
4642
4
4642 + 1000 = 5642
4795
5
4795 + 1000 = 5795
4925
6
4925 + 1000 = 5925
5036
7
5036 + 1000 = 6036
5130
8
5130 + 1000 = 6130
5210
9
5210 + 1000 = 6210
5278
10
5278 + 1000 = 6278
5336