Question

Divide a group of 120 children into 2 groups, Group A and Group B in the ratio 5:7.
Find how many students are there in each group.Divide a group of 120 children into 2 groups, Group A and Group B in the ratio 5:7.
Find how many students are there in each group.

Answer 1

Answer:

group 1 = 50 students

group 2 = 70 students

Step-by-step explanation:

We know that 5x + 7x = 120      (because 5 and 7 have a common factor as x)

                                                           (both of them add up to 120)

= 12 x = 120

= x = 120 /12

= x = 10

The common factor is 10

so,

number of students in each group

group 1 = 5 x 10 = 50 students

group 2 = 70 x 10 = 70 students

finally,

   we get 50 ; 70 students

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