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If the sum of two numbers is 30 and their difference is 10, what are the numbers?

Practice Questions

1 question
Q1
If the sum of two numbers is 30 and their difference is 10, what are the numbers?
  1. 20 and 10
  2. 25 and 5
  3. 15 and 15
  4. 18 and 12

Questions & Step-by-step Solutions

1 item
Q
Q: If the sum of two numbers is 30 and their difference is 10, what are the numbers?
Solution: Let the numbers be x and y. We have x + y = 30 and x - y = 10. Solving these gives x = 20 and y = 10.
Steps: 0

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