A tank can hold 85 litres of water. It's 30% filled. What percent tank is empty? Write the answer in decimal and fraction

The tank is 30% filled, meaning 100% - 30% = **70%** of the tank is empty.

Now, let's express 70% as both a decimal and a fraction:

1. As a decimal:  
\[
70\% = \frac{70}{100} = 0.70
\]

2. As a fraction:  
\[
70\% = \frac{70}{100} = \frac{7}{10}
\]

So, **70% of the tank is empty**, which is **0.70** in decimal and **7/10** in fraction.

Would you like more details on how this was calculated, or do you have any questions?

Here are 5 related questions:
1. If the tank is 50% filled, what percent is empty?
2. How much water is in the tank when it is fully filled?
3. How many litres of water are in the tank if it's 70% full?
4. What is the volume of water in the tank when it's 40% full?
5. If the tank is half-filled, how many litres of water are in the tank?

**Tip**: Remember, when converting percentages to decimals, simply divide by 100!

A tank can hold 85 litres of water. It's 30% filled. What percent tank is empty? Write the answer in decimal and fraction.

Discover how to calculate what percent of a tank is empty when it is 30% filled. This problem walks through the steps to convert percentages into decimals and fractions, using a tank that holds 85 litres of water. Ideal for students in Grades 5-7.

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