Analyze A number is called a perfect number if it equals the sum of all of its factors except itself. For instance, 6 is a perfect number because its factors are 1, 2, 3, and 6, and 1 + 2 + 3 = 6. What is the next greater perfect number?

Sona knits 10 squares a day for 7 days. Can she sew together the squares to make 5 equal-sized blankets? Explain.

Julianne earned $296 working at a grocery store last week. She earns $8 per hour. How many hours did Julianne work?

There are 266 students watching a play in the auditorium. There are 10 rows with 20 students in each row and 5 rows with 8 students in each row. How many  students are sitting in each of the 2 remaining rows if each of those rows has an equal number of students?

Ben is planting a garden with 36 zinnias, 18 marigolds, and 24 petunias. Each row will have only one type of plant. Ben says he can put 9 plants in each row. He  listed the common factors of 36, 18 and 24 below to support his reasoning.

36: 1, 2, 3, 4, 6, 9, 12, 18, 36

18: 1, 2, 3, 6, 8, 9, 18

24: 1, 2, 3, 4, 6, 8, 9, 12, 24

Is he correct? Explain your answer. If his reasoning is incorrect, explain how he should have found the answer.