Assuming she did a checkered pattern if she got 10 red tiles she would need 20 tiles total if the kitchen was a square.
There seems to be some sort of missing information here or maybe a missing picture. Either way, I hope this helps.
75 units squared. separate the shapes into a rectangle and triangle, find the area of each, and add together
It takes you 11.7 minutes to read the science book pages and 19.6 minutes to read the play pages. In total, you spent 31.3 minutes reading.
