What percentage of the shape is purple?

85%

Step-by-step explanation:

There are 4·5=20 boxes total.

4·4+1=16+1=17 of them are purple

17/20

17/20 as a decimal is 0.85

To convert a decimal into a percent multiply it by 100

0.85·100=85%

85%

Step-by-step explanation:

4 * 5 = 20 blocks in total

3 blocks uncovered.

so,  ( 20 - 3 ) / 20  * 100

= 85%

the square root of what number? if you add that, then someone will probably answer the question.