In a line of students ,jenna is number 8.the teacher says the rule for a number pattern is add4.the first term 7.what number should jenna say?

1. You have that the rule for a number pattern is add 4 and the first term is 7.

 2. Let's call "n" to the number in the line where each student is. Then, you can express this as below:

 4n+7

 3. So, you have:

 Student N°1=4(1)+7=11
 Student N°2=4(2)+7=15
 Student N°3=4(3)+7=19
 Student N°4=4(4)+7=23
 Student N°5=4(5)+7=27
 Student N°6=4(6)+7=31
 Student N°7=4(7)+7=35
 Student N°8=4(8)+7=39

 What number should Jenna say?

 The answer is: 39

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