Can someone please explain how to do this I’m so confused and I don’t wanna ask my teacher because I don’t want them

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Aline that intersects one of two parallel lines intersects the other also always sometimes never