SOLUTION: A total of 315 Grade 8 students participated in a community outreach program organized
by the local government. Some students rode in vans which hold 9 passengers each and
some
Question 1178320: A total of 315 Grade 8 students participated in a community outreach program organized
by the local government. Some students rode in vans which hold 9 passengers each and
some students rode in buses which hold 22 passengers each. How many of each type of
vehicle did they use if there were 22 vehicles in total?
x buses and (22-x) vanes.
The total students equation is
22x + 9*(22-x) = 315 students.
From the equation
x = = 9.
ANSWER. 9 buses and (22-9) = 13 vanes.
CHECK. 9*22 + 13*9 = 315 students, in all. ! Correct !