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Total Tickets = (drivers) × (miles per driver) × (tickets per mile)
Let the number of drivers under 25 be A, and the number of drivers over 25 be B
Since drivers over 25 drive two-thirds as many miles as drivers under 25
  • Under-25 drivers average 3m miles
  • Over-25 drivers average 2m miles
Since under-25 drivers receive 3/5 more tickets per mile,
  • Over-25 ticket rate = 5t
  • Under-25 ticket rate = 8t

Under-25 tickets = A × 3m × 8t = 24Amt.
Over-25 tickets = B × 2m × 5t = 10Bmt.
Since over-25 drivers receive 3/4 of all tickets, the ratio of over-25 tickets to under-25 tickets is 3 : 1
So,
10Bmt / 24Amt = 3
A = 5B/36
A = (5 x 108000)/36 (As, B=108000)
A = 15000
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Great question, perfectly rated.. Couldn't even this even in extra time... All solutions were great but the one by Bongbideshini seemed more time accurate considering exam
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