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Question 811534: I currently am working on a problem I created myself to solve an augmented matrix. The rules confuse me and I always end up switching rows that should not be switched and only getting one of the answers right. Can you please help me? Here is my problem:
A school hosts a fun run. At this year's fun run, tickets are 25$ for adults and $15 for children. The school had 500 people attend and made a profit of $10,000. How many children and adults ran the race?
Thank you so much!
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website! strictly speaking you didn't give enough info. You said the profit was 10000.
But you didn't say anything about amount received nor expenses.
You probably mean that 10,000 was taken in( received).
a+c=500,
25a+15c=10000
a = 250, c = 250
There were 250 adults and 250 children
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