Answer:
8.77777777778
Step-by-step explanation:
Answer:
1,05
Step-by-step explanation:
9x +1= 0
9x/9 +1-1=0
X= 9-1
X= 8
Answer:
Question 1
probability of a red marble in the first draw = 1/10
probability of a orange marble in the second draw = 4/9
probability of getting red in first and orange in second (without replacement) = 1/10 * 4/9 = 2/45,
Question 2
6 outcomes
1/6
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book
