30. Four mark exercise problems V

1. Use brackets in appropriate place to the expression \(3 \times 8 - 5\) which gives \(19\) and convert it into tree diagram for it.

 

  

The expression is:

 

The tree diagram for the given expression is:

 

 

2. A football team gains \(3\) and \(4\) points for successive \(2\) days and loses \(5\) points on the third day. Find the total points scored by the team and also represent this in tree diagram.

 

 

The total points scored by the team is .

 

The tree diagram for the expression is: