Answer:

Step-by-step explanation:
If you expand an equation you get its equivalent expression
Lower Quartile-21
Upper Quartile-52
Interquartile Range- 31
Hope this helps !!
The answer is 78%
text me if i'm wrong
To start, first distribute 8 to (y+11) which would look something like this:
9y=8y+88
Now, subtract 8y from both sides in order to solve for and isolate the y value. This would result in your answer, y=88.