108 students
Further explanation
Given:
In the fifth grade at Lenape Elementary School,
- there are ⁴/₅ as many students who do not wear glasses as those who do wear glasses;
- there are 60 students who wear glasses.
Question:
How many students are in the grade?
The Process:
Let us prepare a model for students who wear glasses.
\(\boxed{\cdot}\boxed{\cdot}\boxed{\cdot}\boxed{\cdot}\boxed{\cdot} = 60\)
Then we make a model for students who do not wear glasses. As we know above, there are ⁴/₅ as many students who do not wear glasses as those who do wear glasses.
\(\boxed{\cdot}\boxed{\cdot}\boxed{\cdot}\boxed{\cdot} = ?\)
Let us calculate the number of students who do not wear glasses.
\(\boxed{ \ = \frac{4}{5} \times 60 \ }\)
We crossed out 5 and 60.
\(\boxed{ \ = 4 \times 12 \ }\)
\(\boxed{\boxed{ \ 48 \ }}\)
Finally, let's add up the number of students who wear glasses and do not wear glasses to find out how many students are in the grade.
\(\boxed{\boxed{ \ 60 + 48 = 108 \ students \ }}\)
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Keywords: in the fifth grade, Lenape Elementary School, there are 4/5 as many students, who do not wear glasses, 60 students who wear glasses, how many students, in the grade, model
