Your family is planning a 4-h car trip. Along the way you are planning to make three 1/2 h stops. At what time should you leave home to arrive at the destination by 8:00 p.m.?

how would I do this?

3 answers

4 + 1 1/2 = 5 1/2 hours

Subtract 5 1/2 hours from 8 p.m.

I'll be glad to check your answer.
2:30 p.m?
Right.