Answer:
1×30 = 30
2×15 = 30
3×10 = 30
5×6 = 30
6÷5 = 30
15×2 = 30
30×1 = 30
609
Step-by-step explanation:
question a is 80
question b 20 (is what I could find but not completely sure)
about 90% of the time?
