You get your hair done for $56.00 and you tip the hairdresser $20.00(D)
You have to subtract 56 from 20% than round the answer to the neared tenth.
Answer:
Please see attached picture for full solution.
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.