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Subtracting percentages calculators12/30/2023 ![]() Write the expression as 0.23 × 5,500 km and use aĬalculator to calculate the product. Lastly put the decimal point where it gives the answer two Must be less than 80, yet more than 1/2 of 80, which is 40. ![]() You can also use “common sense” to reason it through logically: 0.7 × 80 Since 0.7 has one decimal digit, and 80 has none, theĪnswer has one decimal digit: 56.0 Thus, 0.7 × 80 = 56. So when you multiply 0.7 × 80, think of multiplying 7 × 80 = 560. To the right of the decimal point as the total number of decimal digits of all of the factors. Percentage into a decimal, and the word "of" into multiplication.ĭecimal multiplication, you multiply as if there were no decimal points,Īnd the answer will have as many “decimal digits” To calculate a percentage of some number, change the This gives us another way to calculate the percentage of a number (or percentage of some quantity): We can also write those percentages as decimals: In these expressions, the word “of” translates into multiplication: Similarly, finding 60% of a number means finding 60/100 (or 6/10) of it. You have learned that to find 1% of a number means finding 1/100 of The concepts and ideas of this lesson are also explained in this video: ![]() Learn the basics of how to calculate percentages of quantities in this easy lesson! To find a percentage of any number, use this generic guideline of TRANSLATION: Change the percentage into a decimal, and the word "of" into multiplication. Menu How to calculate a percentage of a number ![]()
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