Question

Carl asked 80 students at his school how they ate lunch each day. He recorded whether the student was in grade 7 or grade 8. Of the 80 students, 44 students buy a school lunch, 50 students were grade 7 students and 12 were 8th graders who packed a lunch.

Answer 1

Explanation:

Answer 2

Explanation:

The question seems to be to fill out the table.

Fill out the givens first

• Grade 7 there are 50 students
• 44 Buy a school lunch.
• 12 grade 8 students brought a lunch .

Copy the Table here. Keep filling it up as you go.

Grade Pack a Lunch Buy a Lunch Number

• 7 50
• 8 12
• Number 44

First Step: Find the grade 8s. They must number 80 - 50 = 30

Second Step: Find the number of Grade 8s who Buy a lunch 30 - 12 = 18

Fill in these two steps.

Grade Pack a Lunch Buy a Lunch Number

• 7 50
• 8 12 18 30
• Number 44

Step 3: Find the number of 7s who buy a lunch: 44 - 18 = 26

Step 4: Find the number of 7s who Pack a Lunch: 50 - 26 = 24

Step 5: Find the total number of students who Pack a Lunch: 12 + 24 =36

Record these three steps

Grade Pack a Lunch Buy a Lunch Number

• 7 24 26 50
• 8 12 18 30
• Number 36 44 80

Looks like this fills out the table and it is your answer.