16 bc one side is 5ft so the other must be 3 to have an area of 15. Then 5+5+3+3= 16ft
To solve this problem you must apply the proccedure shown below:
You must switch the variables, and then, you must solve for
, as following:

Therefore, as you can see, the answer is: 
Pink:
10 * 10 = 100
Blue:
10 * 4 = 40
Purple:
9 * 10 = 90
Green:
4 * 9 = 36
Add them all together.
100 + 90 + 40 + 36 = 266
Have an awesome day! :)
Answer:
0.38
Step-by-step explanation:
I hope this helps you with your test :)