What is the answer to " What do electrons wear on their feet"?
2 answers:
You might be interested in
Answer:
28 ways
Step-by-step explanation:
After placing 1 ball in each of the seven bins, there are two balls left.
If we place both balls in a single bin, there are 7 different ways to place the balls (place both on bins 1 through 7).
If we place each of the remaining balls in a different bin, the number of ways to place the balls is:
The total number of ways to distribute those balls is 21 + 7 = 28 ways.
In 4 hours, Naoya must have read
There were 350 pages remaining at the time, so the total number of pages is
.
For each hour of reading, Naoya reads 55 pages, so the number of pages he's finished reading by the
'th hour is 
. So the number of pages left to read is given by
There were 350 pages remaining at the time, so the total number of pages is
For each hour of reading, Naoya reads 55 pages, so the number of pages he's finished reading by the