3/4 is 75%
for this think of them as quarters 4 quarters is 100 %, 2 quarters is 50% so 3 quarters would be 75%
or you could just do 3 divided by 4 then times that by 100
If the probability of getting heads is 1/2 and you flipped a coin 200 times you would land on heads 100 times
For the first one, x=-1, y=-8
5+16x.......................
