Sixty-three 21513

Sixty-three children went to the camp. There are seven more boys than girls. How many boys went to the camp, and how many girls?

Correct answer:

c =  35
d =  28

Step-by-step explanation:


c+d=63
c=7+d

c+d = 63
c-d = 7

Row 2 - Row 1 → Row 2
c+d = 63
-2d = -56


d = -56/-2 = 28
c = 63-d = 63-28 = 35

c = 35
d = 28

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