Children

The group has 42 children. There are 4 more boys than girls. How many boys and girls are in the group?

Correct answer:

c =  23
d =  19

Step-by-step explanation:


c+d=42
c=4+d

c+d = 42
c-d = 4

Row 2 - Row 1 → Row 2
c+d = 42
-2d = -38


d = -38/-2 = 19
c = 42-d = 42-19 = 23

c = 23
d = 19

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