rick needs to be at school at 8:15 am it takes him 20 minutes to walk to school .at what time does he need to leave to get to school o time

Question

i9t requires addition or subtractio of time

Answer 1

Obviously you ned to subtract 20 min from 8:15 a.m.

Do it this way. First, subtract 15 min--you get 8 a.m.

Now subtract five more minutes: you get 7:55 a.m.