Problems 7. Percentage change. The following shows the value of an investment on January 1 of the given year. Date 2013 2014 2015 2016 2017 Value $100.00 $110.00 $121.00 $145.00 $159.50 a. Make a table that shows percentage increase from each year to the next.

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I need help with these problems please.. 7A is asking for me to make a table that shows an percentage increase from each year to the next. 16B is asking for me to use an interpolation to complete the following table. 

Problems
7. Percentage change. The following shows the value of an
investment on January 1 of the given year.
Date
2013
2014
2015
2016
2017
Value
$100.00
$110.00
$121.00
$145.00
$159.50
a. Make a table that shows percentage increase from each
year to the next.
Transcribed Image Text:Problems 7. Percentage change. The following shows the value of an investment on January 1 of the given year. Date 2013 2014 2015 2016 2017 Value $100.00 $110.00 $121.00 $145.00 $159.50 a. Make a table that shows percentage increase from each year to the next.
given year,
A, or an A+.
60
55
50
a.
45-
Un
40-
Ro
35
30
25
b.
20
ti
15
10
1985 1990 1995 2000 2005 2010 2015
Year
FIGURE 2.7 Freshmen with high school
grades of "A."
a. Describe in general how the percentage changed over time.
b. Find the average yearly growth rate in the percentage
from 2010 to 2015. Round your answer to the nearest
whole number.
c. Estimate the percentage in the year 2012. Round your
answer to the nearest whole number.
E
1
d. The actual percentage in 2012 was 49.5%. Compare
this with your answer to part c. What does this say about
how the rate of growth in the percentage varied from 2010
to 2015?
16. College expenditures. The table below shows total expen-
ditures for colleges and universities in millions of dollars. All
data are in current dollars.
Year
1970 1980 1990
Expenditures 21,043 56,914 134,656 236,784 461,000
2000
2010
a. What, in general, does the table tell you about spending
on colleges and universities from 1970 through 2010?
b. Use interpolation to complete the following table:
Percentage
Transcribed Image Text:given year, A, or an A+. 60 55 50 a. 45- Un 40- Ro 35 30 25 b. 20 ti 15 10 1985 1990 1995 2000 2005 2010 2015 Year FIGURE 2.7 Freshmen with high school grades of "A." a. Describe in general how the percentage changed over time. b. Find the average yearly growth rate in the percentage from 2010 to 2015. Round your answer to the nearest whole number. c. Estimate the percentage in the year 2012. Round your answer to the nearest whole number. E 1 d. The actual percentage in 2012 was 49.5%. Compare this with your answer to part c. What does this say about how the rate of growth in the percentage varied from 2010 to 2015? 16. College expenditures. The table below shows total expen- ditures for colleges and universities in millions of dollars. All data are in current dollars. Year 1970 1980 1990 Expenditures 21,043 56,914 134,656 236,784 461,000 2000 2010 a. What, in general, does the table tell you about spending on colleges and universities from 1970 through 2010? b. Use interpolation to complete the following table: Percentage
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