If 15% of a mixture is acid and the rest is water, how much water is in 200 lite

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Question: If 15% of a mixture is acid and the rest is water, how much water is in 200 liters of the mixture?

Options:

Correct Answer: 170 liters

Solution:

15% of 200 liters is 30 liters of acid. Therefore, water = 200 - 30 = 170 liters.

If 15% of a mixture is acid and the rest is water, how much water is in 200 liters of the mixture?

If 15% of a mixture is acid and the rest is water, how much water is in 200 liters of the mixture?

Step 1: Understand that the mixture is made up of acid and water.
Step 2: Know that 15% of the mixture is acid.
Step 3: Calculate how much acid is in 200 liters by finding 15% of 200 liters.
Step 4: To find 15% of 200 liters, multiply 200 by 0.15 (which is the decimal form of 15%).
Step 5: 200 * 0.15 = 30 liters of acid.
Step 6: Now, find out how much water is in the mixture by subtracting the amount of acid from the total mixture.
Step 7: Subtract the amount of acid (30 liters) from the total mixture (200 liters).
Step 8: 200 - 30 = 170 liters of water.

Percentage Calculation – Understanding how to calculate a percentage of a total quantity.
Subtraction from Total – Knowing how to find the remainder after determining a part of the whole.