Hey!
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Steps To Solve:
~Divide
500 / 140 = 3.5714...
~Round down since max limit is 500lb.
3.5714... = 3
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Answer:
![\large\boxed{3~teenagers~can~ride!}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ctc1e4vtucj5hj94ac7r7cbxuhroenuzfr.png)
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Hope This Helped! Good Luck!