Answer:
1.5<x<4 i hope this is right sorry if its not
Step-by-step explanation:
Formula:
<span><span>
</span>
<span>
<span>Note: , where nPr is the formula for permutations of n objects taken r at a time.</span>
</span>
<span>
Example:
<span>How many different committees of 4 students can be chosen from a group of 15?
</span>
</span>
<span>
Answer:
<span>There are possible combinations of 4 students from a set of 15.</span>
</span>
<span>
<span>
There are 1365 different committees.</span></span></span>
The answer can vary depending on how many chairs are in each row.
