Answer key to the senior class at high school a and high school b planned seperate trips to yellowstone national park. the senior class at high school a rented and filled 9 vans and 12 buses with 630 students. high school b rented and filled 1 van and 6 buses with 252 students. each van and each bus carried the same number of students. find the number of students in each van and in each bus.

Answers (1)
  1. Aurelius
    X=number of students

    9x+12x=630

    21x=630

    x=30

    so for high school, a, the 9 vans carried (9*30) 270 students while the 12 buses carried (12*30) = 360 students. check:270+360=630

    so for high school, b.

    1x+6x=252

    7x=252

    x = 36

    so the 1 van carries 36 students and the 6 buses carries (6*36) 216 students. check: 216+36=252
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