3) Calcule
diferença entre as frações:
a) 1/3 -4/5
b) 20/9-30/5
C) 2/3 - 3/5-5/7​

Acertain group of women has a 0.640.64% rate of red/green color blindness. if a woman is randomly selected, what is the probability that she does not have red/green color blindness? what is the probability that the woman selected does not have red/green color blindness? nothing (type an integer or a decimal. do not round.)