Answer:
43
Step-by-step explanation:
Answer:
2 AND 3
Step-by-step explanation:
I believe it takes 1 3/5 hrs for them to finish the job together
Answer:
756 ways
Step-by-step explanation:
Given


Required
Determine the number of ways
The first counter can be selected in 28 ways
The second can be selected in (28 - 1) ways
The number of selection is:



<em>Hence, number of possible selection is 756</em>