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?
![5b + 3h = 399](https://img.qammunity.org/2019/formulas/mathematics/middle-school/ht9dczcrkh7j86lg4uy0s1k528qh4hp5.png)