I believe it is the first option. Hope this helps!
Answer:
80x2=160 20x3=60 160+60=220
Step-by-step explanation:
Answer:
8+8+8+8
Step-by-step explanation:
it can't be any negatives because the questions asking how many ladder rungs he climed not how far he went down. It can't be the first one cause Yan did not climb 16 rungs.
Answer:
the answer is c
Step-by-step explanation: