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23 April, 23:00

A class of 195 students went on a field trip. They took 7 vehicles, some cars and some buses. Find the

number of cars and the number of buses they took if each car holds 5 students and each bus hold 45

students.

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Answers (2)
  1. 24 April, 00:49
    0
    x-cars

    y-buses

    x+y=7->5x+5y=35 because both sides multiply by 5

    5x+45y=195

    5x+5y=35 - > 40y=160 y=4 so, x=7-y=3

    the answer is 4 buses and 3 cars
  2. 24 April, 01:49
    0
    4 buses 3 cars
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