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WHEN you take a number add 20 subtract 17 add 13 then subtract the original number it equals?
Wiki User
∙ 14y ago
n + 20 - 17 + 13 - n = 20 - 17 + 13 = 3 + 13 = 16
Wiki User
∙ 14y ago
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If you take a number subtract it by 5 then add 50 of the result you get the original number what is the original number?
55
How do you calculate a percentage change from one number to anotherj?
You take the original number. You then work out by how much this number has changed (so if the new number is bigger subtract the original number from the new number and if it is smaller subtract the new number from the original). Now you divide the difference (how much the number has changed) by the original number and multiply the result by 100.An example:100 becomes 120.The number has changed by (120 - 100) 20. It has increased by 20.To calculate the percentage change we do:20 (the change) / 100 (the original number) and then multiply by 100 (to turn it in to a percentage rather than a fraction).20/100 * 100 = 20%So, in this example, the number has increased by 20%.
How do you subtract integers on a number line?
take away from number places
How do you take a half from a decimal number?
Subtract 0.5
How do you subtract 20 percent to a number?
The fastest way to take 20 percent off a number is to multiply the original number by 0.8 20% of 30 is 6. 30 - 6 = 24 30 x 0.8 = 24
If you take a number subtract it by 5 then add 50 of the result you get the original number what is the original number?
55
How do you determine the percent change?
You have an original value and a new value. Take the new value and subtract the original value. Then divide that number by the original value.
How do you take out a percent of a number in a math problem?
Multiply the number by the percent in decimal form, and subtract the result from the original number. Alternatively, multiply the number by (1 - the percent).
Why does a negative number minus a positive equals a negative?
take any negative number, and subtract a positive number..that is the same as adding a negative number and two negative numbers added together are a negative number.
What does it mean to find the range of the values?
take the largest number in the sample and subtract the smallest number that is the range
What is the divisibility rule for 91?
The number must meet two criteria:Take the original number excluding its last digit and subtract two times the last digit from it. The result must be divisible by 7.Take the original number excluding its last digit and subtract nine times the last digit from it. The result must be divisible by 13.In both cases, you can repeat the "truncate-and-subtract multiple" stage several times, if required.
How do you calculate a percentage change from one number to anotherj?
You take the original number. You then work out by how much this number has changed (so if the new number is bigger subtract the original number from the new number and if it is smaller subtract the new number from the original). Now you divide the difference (how much the number has changed) by the original number and multiply the result by 100.An example:100 becomes 120.The number has changed by (120 - 100) 20. It has increased by 20.To calculate the percentage change we do:20 (the change) / 100 (the original number) and then multiply by 100 (to turn it in to a percentage rather than a fraction).20/100 * 100 = 20%So, in this example, the number has increased by 20%.
How do you subtract integers on a number line?
take away from number places
How do you take a half from a decimal number?
Subtract 0.5
How do you check your answers in addition and subtraction?
for addition you take the sum and subtract one of the numbers being added from it and for subtraction you add the difference with the second number being subtracted so it equals the first number
Is subtract to take numbers apart?
Subtract is to take away a certain portion of a number. For example, if you subtract 5 from 7 (7-5), you take off 5 parts of 7, and get 2 as your answer.
Take 48 Multiply by 8 subtract 64 Divide 4 equals?
80
