Answer:
On that day 1500 children and 700 adults attended.
Explanation:
Given:
There is a carnival. Children are $1.50 and adults are $4.
The total amount of money raised was $5050.
On this particular day there 2200 in attendance.
Now, to find the children and adults attended on that day.
Let the children attended be
.
And the adults attended be
.
The total number in attendance:

⇒
........( 1 ).
Now, the total amount of money raised:

Putting the equation ( 1 ) in the place of
we get:
⇒

⇒

⇒
Subtracting both sides by 3300 we get:
⇒

Dividing both sides by 2.50 we get:
⇒

The adults attended = 700.
Now, putting the value of
in equation ( 1 ) we get:

⇒

The children attended = 1500.
Therefore, on that day 1500 children and 700 adults attended.