Answer:
D.
in
Step-by-step explanation:
Hope this helps!
18 is 60 percent of 30. 3 percent is 10 percent of 30 so 3 x 6 equals 18.
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1 foot = 12 inches
1in : 2 feet
1in : 24in
Answer:
<em>It will take 12 hours to fill the tank</em>
Step-by-step explanation:
Proportions
Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.
Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.
Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.
Each hour, the tank gets filled by:

Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank