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No matter how you set up your proportions to find the distance between Rio de Janeiro and San Jose, the cross products will still set up the same When solving for x in problem #4, where the ratio is 200 miles per 1 inch, how would you set up the cross products to be equal to each other?

Respuesta :

1) Setting the proportions, let's place on the numerator's place the same physical quantities. Therefore we have:

[tex]\begin{gathered} \frac{200\text{ miles}}{1\text{ inch}}=\frac{10\text{ miles}}{x} \\ 200milesx=10\text{miles} \\ x=\frac{10miles}{200\text{miles}} \\ x=\frac{1}{20}\text{ miles or 0.05 inches} \\ \end{gathered}[/tex]

2) So, the answer would be set as D

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