School 48403

There were 43 pupils in the school club, seven fewer boys than the girls. How many boys and girls were in the club?

Correct answer:

c =  18
d =  25

Step-by-step explanation:


c+d=43
d = 7 + c

c+d = 43
c-d = -7

Row 2 - Row 1 → Row 2
c+d = 43
-2d = -50


d = -50/-2 = 25
c = 43-d = 43-25 = 18

c = 18
d = 25

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