On-Line Course Foundations of Mathematics 11 Unit 4 Send-In Assignment 7. A school graduation class wants to hire buses and vans for a trip to Jasper National Park. Each bus holds 40 students and 3 teachers and cost $1200 to rent. Each van holds 8 students and 1 teacher and costs $100 to rent. The school has at least 400 students wanting to go, but at most 36 teachers. What is the minimum transportation cost? Make Vans equal "x". x 7) 6 marks