A and B are mixed in the ratio 1:4. If there are 15 liters of B, how much A is t

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Question: A and B are mixed in the ratio 1:4. If there are 15 liters of B, how much A is there?

Options:

Correct Answer: 3 liters

Solution:

If B = 4 parts = 15L, then A = (1/4) * 15 = 3.75L.

A and B are mixed in the ratio 1:4. If there are 15 liters of B, how much A is there?

A and B are mixed in the ratio 1:4. If there are 15 liters of B, how much A is there?

Step 1: Understand the ratio of A to B, which is 1:4. This means for every 1 part of A, there are 4 parts of B.
Step 2: Identify how many parts B represents. Since B is 4 parts and we know there are 15 liters of B, we can set up the equation: 4 parts = 15 liters.
Step 3: Find out how much 1 part is worth. To do this, divide the total liters of B by the number of parts: 1 part = 15 liters / 4 parts = 3.75 liters.
Step 4: Now that we know 1 part is 3.75 liters, we can find out how much A is. Since A is 1 part, A = 3.75 liters.

Ratio and Proportion – Understanding how to use ratios to find quantities in a mixture.
Unit Conversion – Applying the concept of parts to convert between different quantities.