Algebra 1 : Algebra 1
Study concepts, example questions & explanations for Algebra 1
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Example Questions
Example Question #3211 : Algebra 1
What is seventy percent of seventy?
Write the term seventy percent. This can be rewritten as a decimal by removing the percent sign sign and move the decimal place back two spaces.
Additionally, we can also choose to rewrite the seventy percent into a fraction out of 100 parts, which can be reduced to seven-tenths:
The word "of" means multiply.
Multiply 
The answer is 
Example Question #50 : Whole And Part
What is six percent of five?
Write six percent in either fractional or decimal form. A percentage is a number out of 100 parts.
Multiply either number with five to find the part from the whole.
This value can also be expressed as:
The answer is:
Example Question #51 : Whole And Part
Find 12% of 76.
15.6
156
64
10
9.12
9.12
To find a percentage of a whole, we simply multiply the percentage and the whole number together. So,
12% of 76
can be written as
If we multiply this out, we get 9.12.
Therefore, 12% of 76 is 9.12.
Example Question #52 : Whole And Part
What is 
Write 
Multiply this fraction by ten.
Reduce this fraction by finding its multiples.
The answer is 
Example Question #52 : Whole And Part
What is 
Convert the percentage into a decimal by moving the decimal place back two spaces.
This number is also recognized as 
Multiply this number with twenty five.
The answer is:
Example Question #53 : Whole And Part
What is ten percent of twenty?
Ten percent is ten out of 100 parts.
This fraction can be reduced to 
Multipy this fraction with twenty.
The answer is:
Example Question #55 : Whole And Part
The graduation rate among seniors at a local high school is 
The graduation rate among seniors at a local high school is 
To answer this question, we need to be careful how we set it up, and careful that we answer the correct question.
We need to find the number of senior who will not graduate. Not the number who will.
To do so, we can first find the percentage who will not graduate. This will be:
Next, change our percent to a decimal:
Finally, multiply our total number of seniors by the decimal we just got to get:
So our answer is 65.
Example Question #55 : Whole And Part
The graduation rate among seniors at a local high school is
The graduation rate among seniors at a local high school is
To answer this question, we need to be careful how we set it up, and careful that we answer the correct question.
We need to find the number of senior who will not graduate. Not the number who will.
To do so, we can first find the percentage who will not graduate. This will be:
Next, change our percent to a decimal:
Finally, multiply our total number of seniors by the decimal we just got to get:
So our answer is 65.
Example Question #56 : Whole And Part
What is 40 percent of 800?
A percentage is a value over 100 parts.
Forty percent is:
Multiply this fraction with 800.
Reduce the fraction.
Forty percent of 800 is 320.
The answer is:
Example Question #57 : Whole And Part
What is ten percent of three?
Ten percent is ten out of 100 parts.
Reduce the fraction to 
Multipy this fraction with three.
The answer is:
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