Answer:
20-30 seconds or 51
Step-by-step explanation:
C, because once you add the texture up
All perpendicular lines must cross to form a right angle, meaning they intersect at a right angle.
Hope this helps!
If the drain is left open, the pool will fill at 3/4 the normal rate. 1/4 of 18 equals 4.5 hours. The pool would take about 4.5 hours longer to fill.
The answer is 22.5 hours
