If I did my math correct it should be 47. If you take 284x386 you get 109,624 (that should be the area in square feet) then take 109,624 and divide it into 2346 and you get 46.7280477408. In order to cover it you should round up to 47 bags.
Answer:
the lights will both flicker at the same time at 56 seconds
Step-by-step explanation:
you have to do (7)(8)
Step-by-step explanation:
We can rewrite the given equation as

As a check, let's multiply out the factors:


and this is our original equation.
I believe it is 10 and however many zeros there are and there's 6 so if I'm not mistaken the answer is

.