(-5xy2 z) (7x 6 y 2 z-3x5 y - 4xz)
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The recurring decimal number 9.2424... expressed in mixed number is
In the given decimal number, 2 is the digit at the tenth place and 4 is the digit at the hundredth place.
The fraction part in the simplest form is
The whole number part is 9.
Therefore, the number 9.2424... as a mixed number in the simplest form is
Answer:
There are <u>20,000 milligrams</u> chlorine in the pool.
Step-by-step explanation:
Given:
The chlorine per liter of water in the pool is 2.5 milligrams.
The volume of water in the swimming pool is 8000 gallons.
Now, to find the quantity of chlorine in the pool.
Let the quantity of chlorine be
The gallons of water in the swimming pool = 8000.
The milligrams of chlorine per liter of water in the pool = 2.5.
According to question, the amount of chlorine in the swimming pool is proportional to the volume of water.
So, 2.5 mg of chlorine is equivalent to 1 liter.
Thus, is equivalent to
Now, to get the quantity of chlorine by using cross multiplication method:
<em>By cross multiplying we get:</em>
Therefore, there are 20,000 milligram chlorine in the pool.