Math story problem help?

Debi purchased $91 worth of sheets at a sale on labor day weekend, when $1.60 was marked off every article. She returned the sheets on Thursday (she really didn't need sheets anyways), when everything everything was marked at regular prices. Because Debi is a good customer, the sales clerk gave her credit using regular prices and not sale prices, so Debi got more than $91 worth of credit. She was ecstatic about this, so she immediately exchanged the sheets for twoels and washcloths. In exchange for every sheet she was able to get a towel and a washcloth (The towels, washcloths, and sheets were now marked at regular prices). She came home with 16 more articles than she's had before. Because washcloths cost only $2.70, she took 6 more washcloths than towels. How many washcloths and towels did she buy, and how much would they have cost if Debi had bought them on Saturday at sale prices?