The average of 5 numbers is 7. When 3 new numbers are added, the average of the eight numbers is 8.5. The average of three new numbers is:Options :117.758.57
Question
Solution 1
The average of 5 numbers is 7, which means the total sum of these 5 numbers is 5*7 = 35.
When 3 new numbers are added, the average of the eight numbers is 8.5, which means the total sum of these 8 numbers is 8*8.5 = 68.
The total sum of the 3 new numbers is the total sum of the 8 numbers minus the Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv
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