144 bottles are in a gross. 144 ÷ 3 (bottles per day) = 48 days.

On an FM receiver the AFC is automatic frequency control. It keeps the receiver from drifting from the station it is tuned to. This is done by having part of the signal fed back to the local oscillator to keep it operating on the correct frequency and not drifting.

Divide the total length, 44 feet, by the total number of pipes, 4, because all the pipes are equal in length.
The quotient, 11, is the length of each individual pipe. You can check this answer by multiplying: 4 × 11 =
44.