Answer:
1. 3
2. 1
3. 9
4. 30
Step-by-step explanation:
1. 2*(18/12) = 3
2. 3*(5/15) = 1
3. 4*(45/20) = 9
4. 21*(10/7) = 30
30/8
Answer: $0.50
16 divided by $3.20 is equal to $0.50. Hope this helps :)
18.0 km