Question

please help me with this question.​

Answer 1

Answer:

please mark me as brainlist

Answer 2

Step-by-step explanation:

let no of rows be = x

no of student in each rows = x+4

so

x(x+4)=780

x²+4x-780=0

x²+30x-26x-780=0

x(x+30)-26(x+30)=0

(x+30)(x-26) =0

no of rows can't be negative

so

x-26=0

x=26

and no of student in each rows =x+4=26+4=30

hope u Understand

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