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.
Answer: x = 5, -5
Step-by-step explanation:
Solve using the quadratic formula.
Answer:
-2/5
Step-by-step explanation:
Parallel lines have the same slope to each other. So if one line has a slope of -2/5, the line parallel to it will also have a slope of -2/5.
Hope this helps!
Answer:
29/40 = 0.725 34/25 = 1.36 12/10 = 1.2 17/50 = 0.34
Step-by-step explanation:
Just divide the first number by the second number. So 29 divided by 40 is 0.725 and so on.
Answer:
c + 0.5b =700 and c + b =1,000 I think
