Procedures

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Across
  1. 3. 5x + 5y = 5 (x+y)
  2. 6. 2/3 : 7/5 = 2/3 x 5/7 = 10/21
  3. 7. 8.8% = 0.88
  4. 8. 1/2+1/3 = ? (2 x 3) 3/6 + 2/6
Down
  1. 1. 88% = 88/100
  2. 2. 357 + 256 = ?
  3. 4. 2.52 ≅ 2.5
  4. 5. 3x + 4x = 7x