I'd be able to figure this out if I could see the graph.
10+25+15=50
25/50
I can be simplified.
The greatest common factor is 25.
25/25=1
50/25=2
So the answer is 1/2.
12!
= 12X11X10X9X8X7X6X5X4X3X2X1
479001600 I believe
Hope This Helped and GOOD LUCK!!!!!!! :D