SSAT Middle Level Math : How to find percentage
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Example Questions
Example Question #3 :Percentages
A store normally sells a certain coat for $40. For the holidays it offers a sale where the new price of the coat is now $30. What percent discount is the store selling the coat for?
The coat is $10 cheaper than normal.
Example Question #1 :How To Find Percentage
Write 132% as a fraction in simplest form.
Write as a fraction over 100, and simplify:
Example Question #2 :How To Find Percentage
Write
Multiply by 100, and simplify:
The correct choice is 96%.
Example Question #3 :How To Find Percentage
What is the decimal form of 42.5%?
This question is asking you to convert the percent into a decimal. When doing this, you must move the decimal point two spaces to the left. The answer is
Example Question #2 :How To Work With Percentages
Marshal saves 10% of his paycheck each week. If Marshal earned $652.20 this week, approximately how much money did he save?
The wordapproximatelytells you that you need to estimate to get the answer. $652.20 can round up to $700 because 52.20 is more than half of 100. Since 10% is equal to the decimal 0.10, we multiply 700 by this number in order to find out what 10% of 700 is.
The answer is
Example Question #1 :How To Find Percentage
What percentage of
To find the percentage, first write the values as a fraction, then convert the fraction's denominator to
Example Question #1 :How To Find Percentage
What percent (%) of 50 is 30?
40%
30%
50%
166%
60%
60%
The original number in this problem is 50 and you must find the percentage of 30 from 50.
Another way to view this problem is what percentage of the original 50 equals 30.
Let x equal the percentage:
50(x) = 30
50x = 30
In order to change the decimal 0.6 to a percentage multiply by 100:
0.6 x 100 = 60%
Example Question #6 :How To Find Percentage
There were an estimated 20.5 million registered cars in the United States in 1995. The 15 years later the number of registered cars was an en estimated 25.0 million. What is the percent increase in registered cars from 1995 to 2010 rounded to the nearest whole number?
The formula for the percent increase is:
Substituting the given values into the above equation:
之后, the answer is 22%
其他答案代表可能的错误could have been made: 18% is the mistake of dividing by the final value, not the initial value; 10% is the mistake of dividing by the sum of the final and the initial values; and 21% is the mistake of improper rounding or not doing the division to the third digit.
Example Question #7 :How To Find Percentage
If
When dividing
Example Question #8 :How To Find Percentage
Set up the proportion statement, where
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All SSAT Middle Level Math Resources
