Answer:
Median: 55
First quartile: 26.5
Third quartile: 93
Interquartile range: 66.5
Simple,
writing out the problem...

Simplify it...
-4x(6+5-1)
-4x(11-1)
-4x(10)
-40x
Making it look like...

Cancel out the common factors...
Thus making the answer:

.
*have
and yes
8 factor
1,2,4,8
9 factor
1,3,9
100p? if you would like to explain what the variable p is i could help out
5x-2+x=9+3x+10
6x-2=3x+19
3x=21
x=21/3
x=7