Reviewed by Jo-ann Caballes
What is 10% of 150?
Answer: 10% of 150 is 15
Calculating percentages is a fundamental concept in mathematics that allows us to find a part of a whole. When you see a problem like 'What is 10% of 150?', you're being asked to find the value that represents 10 out of every 100 parts of the number 150.
Methods
Math Tutor Explanation Using the Direct Percentage Method
This method involves multiplying the number by the percentage expressed as a decimal to quickly find the portion.
Step 1: Step 1: Convert 10% to a decimal by dividing by 100, which gives 0.10
Step 2: Step 2: Multiply 150 by 0.10 to get the result
Math Tutor Explanation Using the Fraction Method
This method uses fractions to represent percentages and makes use of basic multiplication.
Step 1: Step 1: Rewrite 10% as the fraction 10/100
Step 2: Step 2: Multiply 150 by 10/100 to determine the answer
Step 1:
Step 2:
Math Tutor suggests: Practice More Percentage Calculations
Keep improving your percentage skills with these related exercises on finding percentages of different numbers.
FAQ on Percentages
How do I convert a percentage to a decimal?
Divide the percentage by 100. For example, 10% becomes 0.10.
Why do we multiply by the decimal form of the percentage?
Because multiplying by the decimal form gives the exact portion of the whole represented by the percentage.
What is 20% of 150?
20% of 150 is 30.
Can I use a calculator to find percentages?
Yes, most calculators have a percentage button or you can multiply the number by the decimal equivalent.
What does 'of' mean in percentage problems?
In this context, 'of' means multiplication. 10% of 150 means 10% times 150.
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