Sorry it's blurry, but HELP, I'll give brainlist to anyone who answers please

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?