Well, darling, 15 divided by 2 is 7.5. So technically, 7.5 times 2 equals 15. But if you're looking for a nice whole number, then I'm afraid there's no integer that you can multiply by 2 to get 15. Math can be a real buzzkill sometimes, can't it?
The number that, when multiplied by 2, equals 15 is 7.5. This can be determined by dividing 15 by 2, which equals 7.5. In mathematical terms, this can be represented as 2x = 15, where x = 7.5.