A population of cells starts at about 15 individual cells. The population increase 48 percent every day. How long until there are 200 cells?
about a week (6.6 days)
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15
Student loans can have an interest rate as high as 7%. If you go to SLCC, it will cost you about $19031 for your first year. If you take out a loan, what is the equation for your debt?
y = 19031 (1.07)^x
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25
Harry Potter drank 300 milligrams of a potion that makes him fire-resistant. His body flushes out 38% of the potion every hour. How many hours until there's only 10 milligrams of the potion left, and it is no longer effective?
7.11 hours
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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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20
Your 20,000 car depreciates by 15% each year. Write an equation and determine how much you could sell your car for in 7 years.
y=20000(.85)^x and $6411
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25
You invested 31415 dollars into an account that gives you a 4% interest rate every year. How many years until you double your money(62830)?
17.67 years
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10
Solve the equation. Round your answer to the nearest hundredth (two decimal places)
1.84
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15
Solve the equation. Round your answer to the nearest hundredth (two decimal places)
1.75
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20
The temperature at noon on Monday was 37 degrees, and it was 8% lower yesterday at noon. Write an equation, and determine how cold it would be next Monday, if it kept dropping.
y=37(.92)^x and 20.6 degrees.
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15
Write an equation. Han Solo can fill the Millennium Falcon with 4828 units of fuel, but he loses 13% of his fuel every hour.
y=4824(.87)^x
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heart
Other team wins 15 points!
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fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
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25
baam
Lose 15 points!
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eraser
Reset score!
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fairy
Take points!
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10
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shark
Other team loses 20 points!
Okay!
lifesaver
Give 20 points!
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10
Solve the equation. Round your answer to the nearest hundredth (two decimal places)
1.52
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trap
No points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
baam
Lose 5 points!
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20
You invest $12345 at an interest rate of 25% per year!! Write an equation, and find out how much money you would have after just 3 years.
y=12345(1.25)^x and $24,111.33
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15
There are about 2500 Bengal Tigers left in the world. What would be the equation if their population started decreasing by 35 percent?
