<span>Its speed is 18.05 m/s</span>
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.
The answer should be 137/36
80% of 500 = 500(0.8)=400. Since 415>400, Ayden did meet his goal. Hope this helps!
Hence,
Yes, Ayden painted 15 square meters more.