In a classroom, if 6 students per bench are assigned to accommodate all students, one more bench will be required. However, if 7 students are accommodate per bench, there would be a space left for 5 students.What is the number of students in the class ? Choices.
A) 30 B) 45 C) 42 D) 72 E) 75
Let the number of benches in the class be x.   Then, 6(x + 1) = 7x - 5   x = 11.   Hence, number of students in the class	= 6 ( x + 1)   = 6 x 12   = 72.   ANSWER:72
<result>D</result>
In a classroom, if 6 students per bench are assigned to accommodate all students, one more bench will be required. However, if 7 students are accommodate per bench, there would be a space left for 5 students.What is the number of students in the class ?