In a mixture of milk and water, if the ratio of milk to water is 7:3, what perce

Practice Questions

Q1
In a mixture of milk and water, if the ratio of milk to water is 7:3, what percentage of the mixture is milk?
  1. 70%
  2. 30%
  3. 60%
  4. 40%

Questions & Step-by-Step Solutions

In a mixture of milk and water, if the ratio of milk to water is 7:3, what percentage of the mixture is milk?
  • Step 1: Identify the ratio of milk to water, which is 7:3.
  • Step 2: Add the parts of the ratio together: 7 (milk) + 3 (water) = 10 parts total.
  • Step 3: Find the fraction of the mixture that is milk by taking the milk part (7) and dividing it by the total parts (10): 7/10.
  • Step 4: Convert the fraction to a percentage by multiplying by 100: (7/10) * 100.
  • Step 5: Calculate the percentage: 7/10 = 0.7, and 0.7 * 100 = 70%.
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