10. A tank can hold 85 litres of water. It's 30% filled. What percentage of the tank is empty? Write the answer in decimal and fraction.
Answers
Step-by-step explanation:
tank can hold 85L
30% is filled
The empty space is 70%
If you want the water it should be filled to get the tank full is 70%of 85
=59.5l is empty
which is also 595/100 L is empty
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The percentage of the tank that is empty = is 70% or 7/10 or 0.7.
Given:
A tank can hold 85 liters of water. It's 30% filled
To find:
What percentage of the tank is empty?
Solution:
The tank is currently filled with 30% of water
Amount of water in tank = 30/100 x 85 = 25.5 liters
Therefore, the remaining capacity of the tank
=> 85 - 25.5 = 59.5 litres
To find the percentage of the tank that is empty, we can divide the remaining capacity by the total capacity and then multiply by 100:
=> 59.5/85 x 100 = 70%
So, the tank is 70% empty.
To express 70% as a decimal
Take 70% = 70/100 = 7/10 = 0.7
Therefore,
The percentage of the tank that is empty = is 70% or 7/10 or 0.7.
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