Number patterns

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12345678910111213
Across
  1. 1. 10th term: 4, 7, 10, 13, …
  2. 3. Missing number: 200, 180, 160, ___
  3. 4. Total after 8 hours saving 125 per hour
  4. 6. 4th term: 5, 10, 20, ___
  5. 7. Missing number: 3456, 3556, 3656, ___
  6. 10. Number of months to save 3300 at 275 per month
  7. 11. Next number: 125, 250, 375, 500, ___
  8. 12. 5th term: 6, 12, 18, 24, ___
  9. 13. Next number: 15, 30, 60, 120, ___
Down
  1. 2. Next number: 9, 18, 36, 72, ___
  2. 3. Next number: 27, 54, 81, ___
  3. 4. 15 × 12 = ___
  4. 5. Missing number: 18, 21, 42, ___, 90
  5. 6. 7th term: 6, 12, 18, 24, …
  6. 8. Total after 6 hours saving 125 per hour
  7. 9. Missing number: 84, 78, 72, ___
  8. 10. after 12 hours saving 125 per hour
  9. 12. Missing number: 48, 44, 40, ___