Tickets for a play at the community theater cost $8 for children and $20 for adults. A total of 300 tickets have been sold for $
3,900. How many children's tickets have been sold?
1 answer:
Answer:
125 adults
175 children
Step-by-step explanation:
3900=8c+20a
300=c+a
c=300-a
substitute
3900=8(300-a)+20a
reduce
3900=2400-8a+20a
1500=12a
a=125 adults
substitute for a
c=300-a
c=300-125
c=175 children
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