See www.xe.com for daily rate quotes.
It changes daily. As at 4-Feb, 1 Mexican Peso is worth $0.08. 1 US Dollar is worth 13 Pesos.
As of 4/25/09 1 Mexican peso = 0.0749850 US dollars. The inverse of that is 1 US dollar = 13.3360 Mexican pesos. You can get a rate any time on a currency site like XE.com.
pank
on average, 10-15 pesos equals one dollar
1 the Peso = 0.07 United States dollars