Cynthia large rectangle a proportional she maybe tried one in 1/2 times as long

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap

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. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250