Answer:
40 hours will it take for the pool to fill.
Step-by-step explanation:
A pump can fill a swimming pool in 8 hours.
Work done by pump to fill in 1 hour is 
The pool also has a drain that can empty the pool in 10 hours.
Work done by pump to drain in 1 hour is 
If someone turns on the pump to fill the pool, but forgets to shut the drain.
Work done by both pipe in 1 hour is
Both pipe filled 
part of pool in hours = 1
Both pipe filled complete pool in hours = 
Therefore, 40 hours will it take for the pool to fill.
Hey there!
Here is your answer:
<u>The proper answer to this question is option B "false". </u>
Reason:
<span><u><em>To solve for y in the equations 2x + y = 5, subtract 2 from both sides of the equation. This statement is false. In order to solve this you have to divide 2 on both sides.</em></u>
<em>Therefore the answer is option B.</em>
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit
</span>
Answer:
a
Step-by-step explanation:
Answer:
Plan B
Step-by-step explanation:
If you multiply 21 by $2.50 you get $52.5 then add $5 you get 57.5 and that's you outcome for Plan A
but if you multiply 21 by $1.50 you get $31.5 then add $24 you get $55.5 so the best and cheapest plan would be Plan B
