Answer:
5/8 or 0.625
Step-by-step explanation:
number of students in class=40
Boys=15
Girls = 40-15
40-15=25
25/40=5/8 or 0.625
Did you say nevermind so I will just take these free points
40% chance
4 marbles out of 10 are red. 4/10= 0.4= 40%
4mph
X=4
Eveything is explained in the pic. Hope that helps ;)