What is 5 times greater than 81?

5 times greater than 81 seems easy enough, but is it?

Let's assume the answer = 405 (since 5 x 81 = 405). Then shouldn't this statement be true?:

405 is greater than 5 x 81.

But that is not true. 405 is not greater than 5 x 81. It is the same!

To make it greater, we could make make a formula like (a+1)b where a=5 and b=81 to get this answer:

(5 + 1) x 81 = 486

But if that is the case, why not simply say "What is 6 times 81?" instead of saying "times greater than?"

We do not think there is a correct answer, because the question can be misinterpreted.

It seems that when many people write 5 times greater than 81, they mean 5 times as much as 81 which equals 405. We recommend that you ask them to clarify what they mean.

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