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If the sum of two numbers is 50 and one number is 20, what is the other number?

Practice Questions

Q1
If the sum of two numbers is 50 and one number is 20, what is the other number?
  1. 30
  2. 20
  3. 40
  4. 10

Questions & Step-by-Step Solutions

If the sum of two numbers is 50 and one number is 20, what is the other number?
  • Step 1: Identify the two numbers. We know one number is 20.
  • Step 2: Let the other number be represented by 'x'.
  • Step 3: Write the equation for the sum of the two numbers: x + 20 = 50.
  • Step 4: To find 'x', subtract 20 from both sides of the equation: x = 50 - 20.
  • Step 5: Calculate the result: 50 - 20 equals 30.
  • Step 6: Therefore, the other number is 30.
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