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

Question

Mathematics

Solomon Pugh

9 June, 01:54

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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Answers (1)

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Tyson Peters · Answer 1

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