Thread: Maths

If 3/10 of a number is 15, how much is 6 times that number?

How can we write "3/10 of a number is 15" as an equation?

3/10x15/1

Let represent the number, since we don't know what it is. We are told that if we multiply this number by 3/10, the result is 15:



Now, we may solve this for .

thanks