Answer:
15 minutes i think
Step-by-step explanation:
45÷6=7.5
meaning 7.5 minutes per girl
so 4 girls would be 30 minutes of work
so 45-30=15
Answer:
7 6/7 or 7.8571429
Step-by-step explanation:
Answer:
Total number of ways are 336.
Step-by-step explanation:
It is required to find the number of ways in which we can award a 1st, 2nd and 3rd place prize among eight contestants. It means we need to find the number of permutations. We need to find .
Here, r = 3
So,
So, there are 336 ways.
Answer:
meee3eeeee
Step-by-step explanation:
this answer nees to be at least 20 characters long