A swimming pool's large drain will empty the pool in 3 hours while its smaller drain takes 6 hours. If both drains are opened, h
ow long will it take to empty the pool?
2 answers:
Answer:
2 hours
Step-by-step explanation:
6 divided by 3 is 2
Im pretty sure this is correct :)
Answer:
1.5 hours
Step-by Step Explanation:
the smaller drain takes 2x as long by itself then the bigger drain, so it will be 2x as quicker if both are opened.
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Steps to solve:
5(r - 10) = -51
~Distribute left side
5r - 50 = -51
~Add 50 to both sides
5r = -1
~Divide 5 to both sides
r = -1/5
Best of Luck!
Answer:owns
Step-by-step explanation:a
It is 16,700 meters to cycle there and back
Answer:
1/2
Step-by-step explanation:
6/12 =
(2 × 3)/(22 × 3) =
((2 × 3) ÷ (2 × 3)) / ((22 × 3) ÷ (2 × 3)) =
1/2
