Two college students went to guadalajara, mexico, on their spring breaks. one took the vacation in 2002, while the other went in 2006. each student had $500 to spend. in 2002, the exchange rate of mxn/usd (mexican pesos to u. s. dollars) was 9. in 2006, the exchange rate was 11. a hotel room in guadalajara cost 200 pesos per night in 2002 and 220 pesos in 2006. if each student spent five nights in a hotel, which student had more pesos left over? exactly how many did that student have?