Rohan Mandapat's 6th grade crossword puzzle

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Across
  1. 3. x-4=4
  2. 4. 2 number lines
  3. 6. for each
  4. 9. 2x6
  5. 10. PEMDAS
  6. 11. 150miles/4.2gallons=3.57miles/?gallons
Down
  1. 1. 2-1
  2. 2. 2:8 or 2/8
  3. 5. 1:2 or 5:10
  4. 7. 7+3
  5. 8. price 5.00 for 7 bananas ?for1 banana