Please i need help with this

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

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25