Step-by-step explanation:
Answer:
1×30 = 30
2×15 = 30
3×10 = 30
5×6 = 30
6÷5 = 30
15×2 = 30
30×1 = 30
$28.50
It declined $7.50 in 3 days then increased $4 in 2 days
5/8
