Question

James sold 450 tickets for the community play. Tickets for children cost $2, and tickets for adults cost $5. James sold $1,800 worth of tickets.
How many tickets for adults did James sell?

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Answer 1

Answer:

James sold 300 adults tickets.

Step-by-step explanation:

Let he number of adult tickets = x

And the number of children tickets = y

Thus, we have the equations

$x+y=450....(1)\\\\5x+2y=1800$

Multiply equation (1) by 2 and subtract from equation (2)

$5x-2x+2y-2y=1800-900\\\\3x=900\\x=300$

Therefore, James sold 300 adults tickets.