If I remember correctly I’m pretty sure you need to subtract
Answer:
I'm pretty sure it's 4 sorry if I'm not right I'm not the best at this stuff either
Event 4 (impossible), Event 3 (probability is 7/20), Event 1 (probability is 6/12 which is greater than 7/20), and Event 2 (certain to happen)
A percentage is out of 100.
85/100
in lowest terms this is
17/20
X-10>15.........................................
