Math 2022 Question 23
Question
The shaded fraction of the square represents 16 students in a class.
What is the total number of students in the class?
Answer
80 Students
Explanation
Option 1
5 blocks represent 16 students
There are 5 sets of 5 blocks in the square.
Therefore 5×16 = 80
Option 2 (Algebra)
5 blocks represent 16 Students
Therefore 1 block represents 16/5 = 3 1/5 of a student
There are 25 blocks
Therefore the total number of students is 16÷5×25 = 16×5 = 80
