The French club sold rose bouquets and chocolate hearts for Valentie's day. The roses sold for $5 and the hearts sold for $3. The number of bouquets sold was 15 more than the number of hearts sold. If the club collected a total of $399, how many of each gift was sold?
[tex]5b + 3h = 399[/tex]
[tex]b = h + 15[/tex]