After 20 minutes juan had completed 12 questions, which is 0.7 of his assignment. what percent of the assignment had juan not completed?

20%

step-by-step explanation:

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.