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A mixture contains 25% salt. If the total weight of the mixture is 80 kg, how mu

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Question: A mixture contains 25% salt. If the total weight of the mixture is 80 kg, how much salt is in it?

Options:

  1. 15 kg
  2. 20 kg
  3. 25 kg
  4. 30 kg

Correct Answer: 20 kg

Solution: 

Salt = 25% of 80 kg = 0.25 * 80 = 20 kg.

A mixture contains 25% salt. If the total weight of the mixture is 80 kg, how mu

Practice Questions

Q1
A mixture contains 25% salt. If the total weight of the mixture is 80 kg, how much salt is in it?
  1. 15 kg
  2. 20 kg
  3. 25 kg
  4. 30 kg

Questions & Step-by-Step Solutions

A mixture contains 25% salt. If the total weight of the mixture is 80 kg, how much salt is in it?
  • Step 1: Understand that the mixture has 25% salt.
  • Step 2: Know that 25% means 25 out of every 100 parts.
  • Step 3: The total weight of the mixture is 80 kg.
  • Step 4: To find the amount of salt, calculate 25% of 80 kg.
  • Step 5: Convert 25% to a decimal, which is 0.25.
  • Step 6: Multiply 0.25 by 80 kg to find the weight of the salt.
  • Step 7: Calculate 0.25 * 80 = 20 kg.
  • Step 8: Conclude that there are 20 kg of salt in the mixture.
  • Percentage Calculation – Understanding how to calculate a percentage of a total quantity.
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