The cost

The cost of the amusement ticket is 250 pesos for children and 500 pesos for adults. On a certain day, attendance at the park is 2 000, and the total gets revenue is 750000 pesos. How many children and how many adults bought the tickets?

Correct answer:

a =  1000
c =  1000

Step-by-step explanation:

250c+500a = 750000
c+a = 2000

250•c+500•a = 750000
c+a = 2000

500a+250c = 750000
a+c = 2000

a = 1000
c = 1000

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