Answer:
Rain
Explanation:
In certain temperatures, water droplets freeze
Refinery gases, Gasoline, Naphtha, Kerosene, Diesel Oil, Fuel Oil, Bitumen, Paraffin wax, Heating Oil, Jet Fuel.
Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
If two angles are supplementary and one angle measures 65°, what should be the measure of the other angle?
other angle equals to 115°.

Answer:
8
Explanation:
Let p be the number of persons
16.5 + 11p ≤ 110
The maximum number is 8.5 and as a person you cannot be half so its 8