To get 4 or fewer correct, at least 2 answers have to be wrong. And the probability of that is:
3/4 x 3/4=9/16
1-9/16=probability that 4 or fewer are correct=7/16 ☺☺☺☺
The number of solutions of the system of equations is 904 086
Answer:
p=number of seashells pierre collected
p+3p=52
4p=52
p=13
13 seashells
s= p+3
(number of sports drinks= s)
(pizza slices= p)
