Respuesta :
Answer:
- 1300 kids
Step-by-step explanation:
Given
- Kids = k, cost of a ticket = $2.5, total cost = 2.5k
- Adults = a, cost of a ticket = $6, total cost = 6a
- Total cost of tickets = $7150
Equations:
- k = 2a
- 2.5k + 6a = 7150
Substitute a into second equation, a = 1/2k and solve for k:
- 2.5k + 6*(1/2k) = 7150
- 2.5k + 3k = 7150
- 5.5k = 7150
- k = 7150/5.5
- k = 1300