Answer:
33 hearts sold, 48 roses sold
Step-by-step explanation:
x- number of roses sold
y- number of hearts sold
x=15+y <- " The number of bouquets sold was 15 more than the number of hearts sold"
5x+3y=339
5(15+y)+3y=339
75+5y+3y=339
8y=339-75
8y=264
y=33
x=15+33=48