Judith Browning wrote:I got it but in an incorrect way I guess because it seems obvious...
230-220 equals 10 then times 1/2 equals 5.
How were we supposed to solve?
I don't have a clue what
using factorial where one expects punctuation.
means?
haha...now it's bugging me that it says 'most people won't believe it' ....what am I missing?
Judith, the correct way to solve the problem is 220 times 1/2 equals 110. 230-110=120. In equations, you have to multiply before you subtract, so you have to multiply the 220 x 1/2 before you subtract. 5! is 5x4x3x2x1 which is also 120. 5! is 5 factorial.
I just re-read that, and I hope my explanation didn't make it more confusing than it already was
Bottom line is the correct answer is 120. 120 is equal to 5!