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percent proportion, tip,tax, markup, percent change
供稿人: McCollum
(原作者: Shepherd)
100
Percents and Proportions Review

%
=
of
is
What is 38% of 50?
6 is 80% of what number?
16 is what percent of 25?
%
The number of notebooks in the class decreased 
from 48 to 14. Find the percent of change.
%
The acres increased from 100 to 140. 
Find the percent of increase
%
A sporting store marks up the price of their yoga mats by 75%. 
If they purchased the yoga mat for $8.50, 
how much will they sell them for after the markup?
$
Scott wants to tip his taxicab driver 20%. If his commute 
cost $15, what is his total cost? 
$
Ray is going to purchase a computer for $1,500. If the sales tax is at 7%, how much will he pay total?
$
A restaurant bill comes to $28.35. 
Find the total cost if a 20% tip is left.
$
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