For example say you have 10 apples 100. In mathematics a percentage is a number or ratio that can be expressed as a fraction of 100. Being able to calculate percentages isnt just necessary for schoolkids to pass their next math test on the topic.
Then write down just the top number with the sign.
P X Y. Since is in an unknown you can replace it by y to make the problem more familiar. Free math lessons and math homework help from basic math to algebra geometry and beyond. Steps Method 1of 4.