Mary is buying tickets for a movie.
• Each adult ticket costs $9.
Each child ticket costs $5.
Mary spends $110 on tickets.
- Mary buys 14 total tickets.

Respuesta :

Answer:

adult 10

child 4

Step-by-step explanation:

for example,we buy x tickets for adults,y tickets for children.

so we can know x+y=14,9x+5y=110

5(x+y)=70

110-70=40

40/(9-5)=10,this is for adults

the rest are for child

Answer:9×10=90+15=105+5=110

Step-by-step explanation:

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