if you add 55% and 45% the total is 100% so 45/100 are girls. 35% of the girls scored and A so 35/45 is the probability that it is a girl chosen or 7/9. the probability is 7 out of 9.
Answer:
p -
Step-by-step explanation:
collect like terms
- p + p + - 1
= - p + p + -
= - p + p -
= p -