Melanie has $660 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax. She buys a new bicycle for $471.21.
She buys 4 bicycle reflectors for $14.58 each and a pair of bike gloves for $32.40.
She plans to spend some or all of the money she has left to buy new biking outfits for $69.99 each.

Which inequality can be used to determine xx, the maximum number of outfits Melanie can purchase while staying within her budget?