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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?
70%
30%
60%
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?
Steps
Concepts
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%.
No concepts available.
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