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What else can I help you with?
What are some mathematical tricks?
Pick any number. Multiply by 6. Add 13. Subtract 7. Divide 3. Divide 2. Then subtract by the original number you chose. Your result will always be 1. Tell a friend to mentaly multiply their age by 2. Tell them to add 14 then divide 2. Ask your friend what number they currently have. Now, you mentally subtract 7 from the number they tell you, then you'll know your friend's age.
How do you find percent of change as a decrease?
Whether the change is an increase or decrease . . . -- Divide the new number by the original number. -- Multiply the result by 100. -- Subtract 100. -- Now you have the percent of change.
What number gives us same result weather you subtract it or divide it by 5?
Six-and-a-quarter
What number if you divide by 9 and subtract by 7 the result is 1?
The number is 72 because (72/9)-7 = 1
when we subtract 5 from a number x, and divide the answer by 7 the result is 23 less than x. find x.?
6
What happens when you add subtract multiply and divide rational numbers?
If you add, subtract or multiply rational numbers, the result will be a rational number. It will also be so if you divide by a non-zero rational number. But division by zero is not defined.
How do you take a percent off of a dollar amount?
One way:-- Subtract the discount percent number from 100 .-- Multiply the result by the dollar amount.-- Divide the result by 100 .-- The result is the discounted amount.===============================Another way:-- Multiply the dollar amount by the discount percent number.-- Divide the result by 100 .-- Subtract the result from the original dollar amount.-- The result is the discounted amount.
If gross pay is 320.00 how do you find out what percentage is taken out if net is 237.23?
You subtract the smaller number from the larger, then divide the result by the larger number and multiply that result by 100.
What are some mathematical tricks?
Pick any number. Multiply by 6. Add 13. Subtract 7. Divide 3. Divide 2. Then subtract by the original number you chose. Your result will always be 1. Tell a friend to mentaly multiply their age by 2. Tell them to add 14 then divide 2. Ask your friend what number they currently have. Now, you mentally subtract 7 from the number they tell you, then you'll know your friend's age.
No matter what number you begin with you'll end up with the same answer?
Pick a number between 8 and 20. double that number. subtract 16 from that answer. Multiply that result by 4. Divide that total by 8. add 15 to that answer. subtract the number that you started with.
How do you find percent of change as a decrease?
Whether the change is an increase or decrease . . . -- Divide the new number by the original number. -- Multiply the result by 100. -- Subtract 100. -- Now you have the percent of change.
You get the same result if you multiply a number by 7 or if you multiply the number by 2 and then add 20 Find the number?
Suppose the number is x. Then 7x = 2x + 20 Subtract 2x from both sides: 5x = 20 Divide both sides by 5: x = 4
What happens when you add subtract or multiply the digits in the number 42?
the result is always even
Divide you by 3 or multiply you by 6 the answer will be the same what number are you?
18
What is to compare two quantities that have the same type of units?
You can subtract them or divide them. If you subtract them, the result is their difference. If you divide them, the result is their ratio.
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).
How do you change two-thirds into a percentage?
You divide 2 by 3. Then you multiply the result by 100.You divide 2 by 3. Then you multiply the result by 100.You divide 2 by 3. Then you multiply the result by 100.You divide 2 by 3. Then you multiply the result by 100.
