A tank is filled in 45 minutes by two pipes, A and B. Pipe B fills the tank twice as fast as A. How much time (in minutes) will pipe A alone take to fill the tank?
A
1.115
B
2.135
C
3.125
D
4.140
1-4 select • Enter submit • ⌫ clear
Question: A tank is filled in $45$ minutes by two pipes, A a... - PrepLeague