Question

-|It takes 10 minutes to walk across the bridge. If a dad has 4 kids and has to take them across the bridge one at a time, how much total time will the dad spend walking on the bridge?​

Answer 1

Answer:70 minutes.

Explanation:

You would say 40, but think, he has to walk back and get the other kid by himself. Double it. Then subtract ten minutes bc hes not walking back for another kid.

Answer 2

30 yeyeyyeyeyeyeyeyeyey