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Question:
At noon a tank contains 6 cm of water after several hours it contains 3 cm of water what is the percent decrease of water in the tank
Answer:
The percent Decrease of water in the tank is 50%
Step-by-step explanation:
Given:
Initial amount of water in the tank at the noon = 6 cm
amount of water remained in water after several hours = 3 cm
To Find:
The percent decrease =?
Solution:
The percent decrease in the tank
=>
Substituting the values
=>
=>
=>
=> 50
The numerator in a fraction represents the number of pieces selected. If the numerator is larger than the denominator, the number is larger than one.
The denominator in a fraction represents the total number of equal size pieces that make up a whole.
In the given fraction,the numerator is 1 and the denominator is 6. We have to convert the mixed fraction into an improper fraction.
Therefore, multiply the number of wholes (the whole number) by the number of parts in each whole (the denominator) and then add this product to the number of leftover parts (the numerator).
Now to Convert to a decimal divide the number of parts (the numerator) by the number of parts needed to complete a whole (the denominator).
as an improper fraction, can be written as 
which is 
37 ÷ 6 = decimal
Decimal = <span>6.16666666667</span>
The denominator in a fraction represents the total number of equal size pieces that make up a whole.
In the given fraction,the numerator is 1 and the denominator is 6. We have to convert the mixed fraction into an improper fraction.
Therefore, multiply the number of wholes (the whole number) by the number of parts in each whole (the denominator) and then add this product to the number of leftover parts (the numerator).
Now to Convert to a decimal divide the number of parts (the numerator) by the number of parts needed to complete a whole (the denominator).
37 ÷ 6 = decimal
Decimal = <span>6.16666666667</span>