How Green Was My Valley

1:05:36

Is there to be no singing for
my daughter's wedding, Dai Bando?

1:06:31

Now then. The bathtub holds 100 gallons.

1:06:36

"A" fills it at the rate of 20 gallons a minute,

1:06:42

and "B" at the rate of ten gallons a minute.

1:06:46

- Got that, Mr Morgan?
- Twenty and ten gallons. Yes, sir.

1:06:50

Now then. "C" is a hole that empties it
at the rate of five gallons a minute.

1:06:56

How long to fill the tub?