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
Answer:
m = -11/6
Step-by-step explanation:
5m -2(m + 2) = -(3m +15)
5m - 2m - 4 = -3m - 15
3m + 3m = -15 + 4
6m = -11
m = -11/6
There are 12 more white and blue cars than silver and red cars.
Solution:
As, we have to find ,
% of 20

If we have to Percent of a certain number it means , divide that number by 100 , for example x% means
.
And if i am writing , x% of y it means ,
.