Answer:
112.249
I added more places after the decimal in case you need to round it.
About 5 minutes: 60/4=15 then 15*3=45 and so 45/9 is 5 about 5 minutes an application
<span />
46.6 feet
Step-by-step explanation:
P = 2ℓ + 2w
P = 2(ℓ + w)
P = 2(15.5 + 7.8)
P = 2(23.3)
P = 46.6 feet