Algebra 1 : Algebra 1
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Example Questions
Example Question #12 : How To Find Amount Of Profit
The retail price of gold is 
Determine how much Billy has spent on all twenty gold coins. Since he bought 20 gold coins at wholesale price, multiply 20 by the price of gold at $100.
Billy has spent 
Determine his profit after he sells all 
This amount is his revenue after selling all his 20 coins.
Profit is the total revenue minus the cost Billy has spent.
After subtracting the initial cost, Billy has $600 profit from selling all his 20 gold coins at $130 each.
Divide the profit with the retail cost of the gold coins to determine how many gold coins he can buy at retail price with his profit.
Billy can only buy 
The answer is:
Example Question #2791 : Algebra 1
What is the percent of increase from 2000 to 2500?
20%
25%
15%
10%
30%
25%
2500 – 2000 = 500
The amount of increase is 500. The percent increase is found by dividing the amount increase by the original amount (2000).
500/2000 = 25/100 = 25%
Example Question #2792 : Algebra 1
A number is increased by 25%, giving the result of 16. What is that number?
Begin by translating your sentence into an equation. The original number can be given the value "
Way 1:
Way 2:
Note that the second equation is merely a simplification of the first. Now, just divide both sides by 
Example Question #3 : Percent Of Change
The volume of a balloon increases from 450 cubic centimeters to 575 cubic centimeters. To the nearest whole number, what is the percentage increase in volume?
To find the percentage difference, you merely subtract the start value from the end value and divide by the start. The absolute change was 
Example Question #4 : Percent Of Change
A company loses $4 per sale of an item that is retailing for $18. To the nearest hundredth, what percentage must it be marked up to break even?
The product must make another 
Example Question #5 : Percent Of Change
After losing six pounds of body fat, Sam is 145 pounds with a body fat percentage of 18%. What was the original weight of her body fat?
If Sam is 
Example Question #6 : Percent Of Change
After losing 12 pounds of body fat, Pat weighs 157 pounds with a body fat percentage of 21%. To the nearest hundredth, what was his original body fat percentage?
If Pat is 
When he was 
This would mean that his body fat percentage is 
Example Question #1 : Percent Of Change
2,800 is increased by 8%: What is the new number?
Example Question #2793 : Algebra 1
There are 3000 people enrolled in a specific program in 2003. Between 2003 and 2004, the number of people enrolled increases by 12%, and between 2004 and 2005, 65 people unenroll. How many people are enrolled at the beginning of 2005?
Between 2003 and 2004, the number of people enrolled increases by 12%:
Between 2004 and 2005, 65 people unenroll:
Example Question #9 : Percent Of Change
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