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WorksheetsNatural Growth Models
Total questions: 25
Worksheet time: 6hrs 15mins
8% of 140
11.2
17.5
1120
112
9.5% of 500
47.5
475
52.6
526.3
If 600$ is invested in an account paying 10% interest, compounded annually.
What would be its value after 3 years?
180
437.4
798.6
1980
B.O.B. have a account with 10,000$ in it. How long would he have to wait until he gets 547168.8751$ in his account assuming he has an annual compounding rate of 56%.
10 years
9 Years
8.7 years
7 years
Determine the amount in an investment account after t years given a principal of 25000 and an annual compounding at the rate of 6%. Find amount after 8 year.
1953.12
2948.11
1073741.82
39846.21
David invested 100$ into his account that has an annual compounding at the rate of 15%. How many years will he have to wait until he makes 813.7$?
16 years
15 years
13.7 years
14 years
Suppose Candy Land population starting at 1.5 million is 2000 had continued indefinitely to grow at a constant 11% annual rate. Predict the Candy Land population in 2020.
12 Million
13 Million
11.5 Million
12.1 Million
Bass Pro Shop have a clearance sale going on right now where they reduce the price of their stock by 12% each week. A fishing rod initially cost 300 dollars. What would its price be after 10 weeks?
157.46$
1.857520927E-7
83.56$
.06$
The population of the ants colony is 13084 ants. Everymonth the population goes down by 5%. How many of them will be left after 1 year? Round to the nearest number.
4390
7070
8123
6542
The price of crypto currency is decreasing by .5% each day. If Steve had 100 dollar worth of currency, how much would he have left after 15 days? Round to the nearest cent.
86.56$
46.33$
96.76$
92.76$
An apple cost 2$, if the price is increased by 96% what is the new price?
3.92$
4$
3.89$
4.1$
The amount of caffeine in the bloodstream decreases at an hourly rate of approximately 11.5. A can of Red Bull energy drink contains about the same amount of caffeine as a cup of regular coffee, 100 mg. If you drink Red Bull how much caffeine will remain in your bloodstream after 2 hours?
78mg
83mg
73mg
79mg
Population of rabbits initially has 8 rabbits and doubles every year. How many rabbits will there be in 5 years?
185
432
256
123
Which of the following model is an exponential decay model?
y = 12(3.57)^t
y = 7(.98)^t
y = 4(1.21)^t
y = 1 + 6t
Which of the following model is an exponential decay model?
y = 34(.85)^t
y = 47(1.85)^t
y = 3t^2
y = 1 +14t
Daisy purchased a food processor for 23,000 in year 2009. It loses its value by 7% per year. What is the price of the food processor in 2012?
17909.82$
18500.21$
7.89$
7889$
in 1985, there were 285 cell phone subscribers in the small town of Centenrille. The number of subscribers in creased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?
21
25069
43872
46397
Find a bank account balance if the account starts with 100$, has an annual rate of 4%, and the money left in the account for 12 years.
252.67$
5669.39$
157.21$
160.10$
You buy a car for 8000$ that depreciates at a rate of 11% a year. How much is the care worth after 5 years.
4467.25$
4423.56
1288.40$
4221.86$
You start an account with 2500$ and an interest rate of 6.5% compounded yearly. How much is in the account after 7 years?
83239.15$
3884.97$
3859.50$
54312.15$
A newly hatched channel catfish typically weighs about .06 gram. During the first 6 weeks of life, its weight increases by about 10% each day. How much does the catfish weigh after 6 week>
.0911
32.85
3.28
1.05
The old price of 900$ was decreased by 20% followed by a 15% increase the following week.
843
859$
901$
828$
The price of doge coin was 300$ but then the price dropped by 50% one week then followed by a 30% increase.
195$
203$
315$
235$
Your start an account with 500$ and an interest rate of 6% compounded yearly. How much is in the account after 3 years?
530$
595.51$
561.8$
589.12$
From 2000 - 2010 a city had a 2.5% annual decrease in population. If the city had 2,950,000 people in 200, determine the city's population in 2008.
2,445,123
2,409,842
2,409,123
3,214,453
