23.8k views
3 votes
Please help!! I don’t understand this.

Please help!! I don’t understand this.-example-1
User Piglet
by
7.2k points

1 Answer

4 votes
You add all of them together if it’s labeled with a X.
For example, the first X is 1 hour. If it has 2 Xs it would be 2 hours, if no X is shown above, it’s zero hours.
Answer is 12 hours.
User Shanto George
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.