MATH 100 Liberty University Rainforest Clearance Algebra Questions

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I need help with 3math problems please see attached problems on uploaded

5.
Refer to the graph, which shows the number of square miles of Brazilian Amazon rainforest
that has recently been deforested.
(a) Find the percent of increase in the number of square miles of the Brazilian Amazon
rainforest that was cleared from 2007 to 2008. Round to the nearest percent.
%
(b) Find the percent of decrease in the number of square miles of the Brazilian Amazon
rainforest that was cleared from 2008 to 2009. Round to the nearest percent.
%
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6.
Jan bought a toy from the QVC home shopping network that was discounted 25%. If she
saved $10, what was the original price of the toy?
$
7.
Complete the table.
Principal
·
rate
·
time
=
interest
Account 1
$2,500
5%
4 yr
$
Account 2
$16,000
4.5%
3 yr
$
8.
Use a formula to solve the problem.
Rose Parade floats travel down the 5.5-mile-long parade route at a rate of 2.5 mph. How
long will it take a float to complete the route if there are no delays?
hr