Question 362412
let van carry x students
bus carry y students
School A = x+6y=372...............1
School B = 4x+12y=780.............2
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multiply equation 1 by -2
-2x-12y=-744
add this equation to 2
2x=36
x= 18 capacity of  van
plug value of x in equation 1
18+6y=372
6y=372-18
6y=354
y=59 capacity of bus 
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