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A city planner estimates that due to low...

A city planner estimates that due to lower birth rates and changing demographics, enrollment in city's public schools will decrease at the rate of 16% per year for the next 5 years. If the city planner uses the equation `P=P_(0)(r)^(n)` to estimate the school enrollment, P, after n years, what should be used for the value of r?

A

`1.16`

B

`0.84`

C

`0.80`

D

`0.16`

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The correct Answer is:
B
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ENGLISH SAT-PRACTICE TEST 1-EXERCISE
  1. A city planner estimates that due to lower birth rates and changing de...

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  2. Which of the following epression is equaivalent to a(4-a) - 5(a + 7)?

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  3. Which of the following inequalities orders the numbers 0.2, 0.03 and 1...

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  4. If x^(2) + 4 = 29, then x^(2) - 4 = ?

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  5. The vertices of a rectangle are (-1, -2), (4,2), (4,3) and (-1,3). Whe...

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  6. In 1985, the cost of clothing for a certain family was $620. In 1995, ...

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  7. The square root of a certain number is approximately 9.2371. The certa...

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  8. A beg contains 10 pieces of flavored candy: 4 lemon, 3 strawberry, 2 ...

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  9. When points A and B (-3, 4) are graphed in the standard (x,y) coordina...

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  10. Andrea manages a company that currently has 116 customers, which is 8 ...

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  11. Joseph will have a 200-foot-long fence installed around his yard. The ...

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  12. For a math homework assignment, Kerla found teh area and perimeter of ...

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  13. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

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  14. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

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  15. Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in box...

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  16. Which of the following is a solution to the equation x^(2) - 36x = 0 ...

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  17. In the figure below, vertices D and F of /\DEF lie on bar(CG), the mea...

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  18. A company ships notepads in rectangular boxes that each have inside di...

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  19. The function f is defined as f(x) = -4x^(3) - 4x^(2). What is f(-4)?

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  20. Which of the following (x,y) pairs is the solution for the system of e...

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  21. Which of the following is a value of x that satisfies log(x) 36 = 2?

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