Frank is painting some fencing. After 1/2 hour, he has painted 3 1/4 feet of fencing. What is the rate, in feet per hour, at which she is painting? Express your answer as a mixed number.

6.5/1 = 6 1/2 as a mixed number

Step-by-step explanation:

3.25/0.5  - he paints 3.25 feet of fencing in 30 mins

so in an hour he paints 6.5 feet

6.5/1

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

the answer is 1030 it's very simple math.