1003085408
Level:
C
A swimming pool can be filled by two pipes in \( 5 \) hours. It takes \( 24 \) hours longer to fill the pool by only the first pipe than by only the second one. In how many hours does the first pipe fill the pool, in how many hours does the second one? Find the sum of both times.
\( 36 \) hours
\( 20 \) hours
\( 18 \) hours
\( 32 \) hours