Question

2.
School A has 30% more students than school B.
If 120 more students join school B, the two schools
will have the same number of students. What is the
sum of the number of students in school A and school
B initially?​

Answer 1

Answer:

2.

School A has 30% more students than school B.

If 120 more students join school B, the two schools

will have the same number of students. What is the

sum of the number of students in school A and school

B initially?

Answer 2

Answer:

Total students = 920

Step-by-step explanation:

Let school A and B has x, and y number of students respectively.

2nd condition:

⇒ y+120 = x

⇒ x=y+120

⇒ 13y/10 = y+120 [putting (1)]

⇒ 13y/10 − y = 120

⇒ 3y=1200

⇒ y = 400

∴x = (13×400) /10

x = 520

∴ Number of student in A school = 520

Number of students in B school = 400.

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