# An adult ticket to a museum costs $3 more than a children's ticket. When 200 adult tickets and 100 children's tickets are sold, the total revenue is $2100. What is the cost of a children's ticket?

##### 1 Answer

Nov 4, 2016

Let the price of a children's ticket be

Substitute equation **1** into equation **2**.

Hence, children's tickets cost

Hopefully this helps!