85% if the questions. You would take 68 and divide it by 80 to find the percentage of answered questions.
Answer:
-1
Step-by-step explanation:
It takes Andre 1.25 minutes to swim a lap.
Answer:
The answer is 13.6
Step-by-step explanation:
13.6 in fraction form is
or 
Answer:
6.5
Step-by-step explanation:
first subtract 7 from both sides
2x=13
next divide both sides by 2
x=6.5