What is 15 times greater than 91?

15 times greater than 91 seems easy enough, but is it?

Let's assume the answer = 1365 (since 15 x 91 = 1365). Then shouldn't this statement be true?:

1365 is greater than 15 x 91.

But that is not true. 1365 is not greater than 15 x 91. It is the same!

To make it greater, we could make make a formula like (a+1)b where a=15 and b=91 to get this answer:

(15 + 1) x 91 = 1456

But if that is the case, why not simply say "What is 16 times 91?" 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 15 times greater than 91, they mean 15 times as much as 91 which equals 1365. We recommend that you ask them to clarify what they mean.

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