7/8=0.875
0.875 x 40= 35
Therefore, Kris has finished 35 questions.
Hope this helps.
Add all of the students who like the ice creams and subtract from 147 :)
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
Good evening ,
_______________
a) p(rat)=1-(0,35+0,4+0,1)
b) p(cat ∪ hamster)=0,35+0,1
c) p(dog then dog)= (0,4)²
:)