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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.
Oh, what a fun little math puzzle we have here! Let's break it down together. If we follow the steps in order, we can start by adding 5 to 10, then divide the result by 3, and finally subtract 2 to find the number. Happy little calculations!
Suppose the number is x. Then 2*x + 8 = 34 Subtract 8 from both sides: 2*x = 26 Divide both sides by 2: x = 13
Work backwards. 64+17 is 81. 81/3 is 27
To find 4/5 of a number, multiply the number by 4, then divide the result by 5. You can also do the division first if you like.