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14 January, 03:29

All 231 students in the math club went on a field trip. Some students rode in vans which hold 7 students each and some students rode in buses which hold 25 students each. How many off each type of vehicle did they use if there were 15 vehicles total

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  1. 14 January, 03:49
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    Just saying this could be a linear equation of

    7x+25y=231

    And you can graph that if you solve for both x and y to get each of their coordinates

    But

    I got

    7 (8) + 25 (7) = 231

    Just by testing and plugging in values

    So 8 vans 7buses
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