For example say you have 10 apples 100. To support free math by tecmath onPatreon thankyou. How to Calculate Percentages.
This process is the reverse of what you did earlier.
The number of correct answers is 80 of 20 or 80100 20 80100 20 080 20 16 Recall that 16 is called the percentage. Cross-multiply means to multiply the numerator of one fraction by the denominator of the other fraction. Being able to calculate percentages isnt just necessary for schoolkids to pass their next math test on the topic. This should be divided by 100 So 75 really means 75 100 And 100 is 100 100 or exactly 1 100 of any number is just the number unchanged.