a group of 270 students went on a field trip. they took 15 vehicles consisting of vans and buses. Each van carried 10 students and each bus carried 50 students. find the number of vans and the number of buses that they took.
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Answer:
Case 1
Total number of vans = 5
Number of people in each van = 5
Total number of people in 5 vans = number of vans*number of people in each van
Total number of people in 5 vans = 5*5 = 25
Case 2
Total number of buses = 7
Number of people in each bus = 30
Total number of people in 7 buses = Total number of buses*Number of people in each bus
Total Number of people in 7 buses = 7*30 = 210
Case 3 = case 1 + case 2
Total number of people on field trip = Total number of people in 5 vans + Total number of people in 7 buses
Total number of people on field trip = 25+210 = 235
So there were 235 people went on field trip
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