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The ratio of skiers to snowboarders is 5 to 2. If 210 skiers rode the chairlift in the last hour, how many snowboarders rode the chairlift during that same time?

[A] Write a proportion that is defined by this situation.

[B] Explain how the cross product is used to solve the problem.

[C] Answer the question.

Respuesta :

tramserran

[tex]A)\quad \dfrac{5}{2}=\dfrac{210}{x}\\\\\\B)\quad 5(x)=2(210)\\\\.\qquad 5x=420\\\\C)\quad \dfrac{5x}{5}=\dfrac{420}{5}\\\\.\qquad x=84[/tex]