Answer:
<u>50</u> children's tickets were sold.
Step-by-step explanation:
Given:
Tickets to the Biggest Loser Contest cost $3.00 for children and $4.50 for
adults. If 225 tickets were sold for a total of $937.50.
Now, to get the children's tickets sold.
Let the number of children tickets be
And let the number of adult tickets be
So, the total number of tickets sold:
Now, the total amount of the tickets sold:
Substituting the value of from equation (1) we get:
<em>Subtracting both sides by 1012.50 we get:</em>
<em /><em />
<em>Dividing both sides by -1.50 we get:</em>
<u>The number of children tickets = 50.</u>
Therefore, 50 children's tickets were sold.