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The average of two numbers is 30. If one number is 10 more than the other, what

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Question: The average of two numbers is 30. If one number is 10 more than the other, what are the two numbers?

Options:

  1. 20, 40
  2. 25, 35
  3. 30, 30
  4. 15, 45

Correct Answer: 25, 35

Solution: 

Let the numbers be x and x+10. (x + (x + 10)) / 2 = 30. Solving gives x = 25, so numbers are 25 and 35.

The average of two numbers is 30. If one number is 10 more than the other, what

Practice Questions

Q1
The average of two numbers is 30. If one number is 10 more than the other, what are the two numbers?
  1. 20, 40
  2. 25, 35
  3. 30, 30
  4. 15, 45

Questions & Step-by-Step Solutions

The average of two numbers is 30. If one number is 10 more than the other, what are the two numbers?
  • Average Calculation – Understanding how to calculate the average of two numbers and set up equations based on given conditions.
  • Algebraic Manipulation – Using algebra to express relationships between numbers and solve for unknowns.
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