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The average of 8 numbers is 50. If one number is increased by 10, what will be t
The average of 8 numbers is 50. If one number is increased by 10, what will be the new average?
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The average of 8 numbers is 50. If one number is increased by 10, what will be the new average?
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51
52
53
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Total of 8 numbers = 8 * 50 = 400. New total = 400 + 10 = 410. New average = 410 / 8 = 51.25, approximately 51.
Questions & Step-by-step Solutions
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Q
Q: The average of 8 numbers is 50. If one number is increased by 10, what will be the new average?
Solution:
Total of 8 numbers = 8 * 50 = 400. New total = 400 + 10 = 410. New average = 410 / 8 = 51.25, approximately 51.
Steps: 4
Show Steps
Step 1: Find the total of the 8 numbers. Since the average is 50, multiply 50 by 8. This gives you 400.
Step 2: Increase one of the numbers by 10. So, add 10 to the total you found in Step 1. This gives you a new total of 410.
Step 3: To find the new average, divide the new total (410) by the number of numbers (8). This gives you 51.25.
Step 4: Round 51.25 to the nearest whole number, which is approximately 51.
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