Question

9 rows of students have 189 students in total . If all rows have equal no. of students and there are 1701 total students then how many students are there ?​

Answer 1

ANSWER

ANSWERLet the number of students be x and the number of rows be y. Then,

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row =

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = y

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has (

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( y

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).∴ Total number of students =No. of rows ×No. of students in each row

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).∴ Total number of students =No. of rows ×No. of students in each row⇒x=(

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).∴ Total number of students =No. of rows ×No. of students in each row⇒x=( y

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).∴ Total number of students =No. of rows ×No. of students in each row⇒x=( yx

ANSWERLet the number of students be x and the number of rows be y. Then,Number of students in each row = yx When one student is extra in each row, there are 2 rows less i.e., when each row has ( yx +1) students, the number of rows is (y−2).∴ Total number of students =No. of rows ×No. of students in each row⇒x=( yx +1)(y−2)

⇒x=x−

⇒x=x− y

⇒x=x− y2x

⇒x=x− y2x +y−2

⇒x=x− y2x +y−2⇒−

⇒x=x− y2x +y−2⇒− y

⇒x=x− y2x +y−2⇒− y2x

⇒x=x− y2x +y−2⇒− y2x +y−2=0 ..(i)

⇒x=x− y2x +y−2⇒− y2x +y−2=0 ..(i)If one student is less in each row, then there are 3 rows more i.e., when each row has (

⇒x=x− y2x +y−2⇒− y2x +y−2=0 ..(i)If one student is less in each row, then there are 3 rows more i.e., when each row has ( y

⇒x=x− y2x +y−2⇒− y2x +y−2=0 ..(i)If one student is less in each row, then there are 3 rows more i.e., when each row has ( yx

⇒x=x− y2x +y−2⇒− y2x +y−2=0 ..(i)If one student is less in each row, then there are 3 rows more i.e., when each row has ( yx −1) students, the number of rows is (yHence, the number of students in the class is 60.

Answer 2

Explanation:

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