The probability that he will pull out a nickel, then a quarter, then a nickel is 
<u>Explanation:</u>
Given:
Number of dimes = 3
Number of Quarters = 2
Number of pennies = 2
Number of Nickles = 5
Total coins = 3 + 2 + 2 + 5
= 12
Probability that Armando will pull out Nickel first =
After taking out Nickel, the total number of coins in the pocket will be 11
So,
Probability that he will pull a quarter = 
Total coins remaining = 11 - 1 = 10
Total Nickel remaining = 5 - 1 = 4
Probability that he will take our Nickel = 
Total probability = 
= 
Answer:
work is shown and pictured
Step-by-step explanation:
another way is
5(3)>=3(3)+4
15>=9+4
15>=13
-530
I hope this helps! (^_^)
Answer:
He can repair 9 books in 6 weeks
Step-by-step explanation:
1.5 x 6 = 9