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If a person saves 30% of his salary and his savings amount to $600, what is his
Practice Questions
Q1
If a person saves 30% of his salary and his savings amount to $600, what is his total salary?
$1,800
$2,000
$2,200
$2,400
Questions & Step-by-Step Solutions
If a person saves 30% of his salary and his savings amount to $600, what is his total salary?
Correct Answer: 2000
Steps
Concepts
Step 1: Understand that the person saves 30% of his salary.
Step 2: Let the total salary be represented by the variable x.
Step 3: Write the equation for the savings: 30% of x equals $600.
Step 4: Convert 30% to a decimal: 30% = 0.3.
Step 5: Rewrite the equation: 0.3x = 600.
Step 6: To find x, divide both sides of the equation by 0.3: x = 600 / 0.3.
Step 7: Calculate the division: 600 divided by 0.3 equals 2000.
Step 8: Conclude that the total salary is $2000.
Percentage Calculation
– Understanding how to calculate a total from a given percentage of that total.
Algebraic Manipulation
– Using algebra to solve for an unknown variable in an equation.
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