I only got 22-25 done cause its been a long time since ive done these so i don't remember how to do the first two ):
Answer:
5m+30+2n
Step-by-step explanation:
3m+30 and - 2m+2n
5m+30+2n
Step-by-step explanation:
Time Distance
2 3
6 9
10 15
12 18
the answer is 30 use the 5 or greater add one more so if the ones spot is a 5+ add one to the tension place