Algebra 1 : Algebra 1
Study concepts, example questions & explanations for Algebra 1
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Example Questions
Example Question #1 : Percents
Let 
Set up a proportion statement.
Solve for 
Example Question #5 : Percents
Convert 
Eliminate the percentage sign and divide by 100. This will give the true value of the number without the percent sign.
The decimal 
The correct answer is:
Example Question #7 : Percents
If 
To answer this problem, we must know that a whole is equal to 
Since we are looking for an amount that is besides what is given, we will call that unknown "x", thus based on the idea that we must add up all percentages to one hundred to make a whole, our equation will look like this:
To solve for x, we simply subtract 
Example Question #1 : Percents
What percent of 
Write the equation to express this scenario. The percentage of a number is divided by 100 percent.
Solve for 
First divide by 6 on both sides.
Next multiply by 100 on both sides.
Example Question #2 : Percents
The original price of a pair of shoes is $49.56. There is a special sale going on that is 25% off all shoes. How much do the shoes cost during the sale?
Taking 25% off a price means we are paying for 75% of the original cost.
Example Question #10 : Percents
The Aral Sea located in Asia Minor originally had a surface area of 
First of all, since we are looking for the percent of surface area lost (not the surface area remaining), we subtract the remaining surface area from the initial to determine the lost area:
Dividing the lost surface area over the original surface area provides us with a decimal ratio of the water surface area lost:
This decimal multiplied by 
This value can be rounded up to
Example Question #11 : Percents
What is ten percent of six?
In order to determine the value, set up an expression.
Ten percent is ten parts out of 100, or 
Ten percent of six would be:
Simplify this to find the unknown value.
The answer is:
Example Question #12 : Percents
Convert 
To convert a percent to a decimal, simply remove the percent sign and divide the entire number by 100.
This is also the same as moving the decimal place back two spaces.
The answer is:
Example Question #11 : Percents
Convert the following decimal to percent:
A percentage is a number out of 100, which means that if we have a number that was 54 percent, then we have:
From this example, since we are given a decimal 
The answer is:
Example Question #1091 : Algebra 1
Seeing the word means equal and of is multiplication. We set up an equation.
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