If you can exchange 104.51 US dollars for 1,322.14 Mexican pesos, what is the exchange rate of the US dollar to the Mexican peso, to three decimal places?

Divide the pesos by the dollars: 1,322.14 ÷ 104.51 ≈ 12.65085 pesos per dollar. Rounded to three decimal places, this is 12.651, so the rate is about 1:12.651. Choice A, 1:12.650, is the closest listed choice, although it appears to truncate rather than round the result.

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