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  • general knowledge Online Quiz - 5410
  • If a+b=10; then (a+b/2)+(b+a/2)=
Multiple choice general knowledge

If a+b=10; then (a+b/2)+(b+a/2)=

  1. 5

  2. 10

  3. 15

  4. 20

  5. 25

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Substitute a+b=10 into the expression: (a+b/2)+(b+a/2) = a + b/2 + b + a/2 = (3/2)a + (3/2)b = (3/2)(a+b) = (3/2)(10) = 15. The key is to group like terms and factor out the common sum.

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