Answer:
B
Step-by-step explanation:
Answer:
I got C because A and B are too small for the standard division to be a mean of 80% and the number also cannot be 50% or higher because it could bring the median lower and or higher
Inlet pipe can fill the pool in 6 hours, means: every hour the pool is filled 1/6
a drain can empty the pool in 9 hours, means: every hour the pool is drained 1/9
If the inlet and the drain are both left open, every hour the pool is filled 1/6-1/9=1/18
It will take 18 hours to fill up the pool.
Dude doesn’t x basically equal 8 X=8 ? Or am I just wrong
Volume=LWH
with cube, L=W=H
with this one
L=8=W=H
V=8*8*8=512 in^2
answer is 3rd option