How do you find work when given mass and distance?
Work is the force exerted on an object times the distance over which the force is exerted: W = Fx, where W is the work in Nm = Joule. Work done to lift an object of mass m a height h: W = Fgh = mgh.
How do you calculate months between two dates?
In a new cell, type in =DATEDIF(A1,B1,”Y”). The “Y” signifies that you’d like the information reported in years. This will give you the number of years between the two dates. To find the number of months or days between two dates, type into a new cell: =DATEDIF(A1,B1,”M”) for months or =DATEDIF(A1,B1,”D”) for days.
How do you calculate difference?
First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is a percentage decrease.
How do you find 20% of a number?
If you know what the whole number is and you know what percent of that number you are looking for, you multiply. For example, if you are looking for 20% of 100, you multiply 100 by 0.2. If you want to find what percent of 100 is equal to 20, you would divide 100 by 20.
How do you find 10% of a number?
To calculate 10 percent of a number, simply divide it by 10 or move the decimal point one place to the left. For example, 10 percent of 230 is 230 divided by 10, or 23. 5 percent is one half of 10 percent. To calculate 5 percent of a number, simply divide 10 percent of the number by 2.
How do you find 40% of a number?
You divide your percentage by 100. So, 40% would be 40 divided by 100 or . 40. Once you have the decimal version of your percentage, simply multiply it by the given number.
What number is 40% of 100?
250
How do I calculate 30% of something?
Once you have the decimal figure, multiply it by the number for which you seek to calculate the percentage; i.e., if you need to know 30 percent of 100, you convert 30 percent to a decimal (0.30) and multiply it by 100 (0.30 x 100, which equals 30).
What number is 40% of 50?
20
What number is 40 of 90 equation?
36