840 studentbe seated in 20s were to rows of an auditorium. if equal number of students sat in each row how many students were there in each row?
Answers
42 student sat in each row.
Given,
No. of students = 840
No. of rows = 20
To Find,
No. of students in each row if there was equal no. of students in every row
Solution,
We can solve this problem using a simple method.
We have been given that equal number of student sat in each row.
Let the no. of students in each row be denoted by 'x'.
In this way, 840 students were seated in 20 rows.
Hence, this relationship could be mathematically represented as follows:
⇒ 840 = 20x
The equation above is a linear equation in 'x'.
Solving this equation for 'x' would give us the required no. of students in each row.
⇒ 840 = 20x
⇒ x = 840 ÷ 20
⇒ x = 42
Hence, 42 student sat in each row.
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an auditorium can seat 840 students in 20 rows .if there are equal number of students in each row .