Eighty-eight 21113

588 pupils attend the school. There are 10% more girls than boys. How many boys and how many girls go to school?

Correct answer:

c =  280
d =  308

Step-by-step explanation:

r=100%+10%=1+10010=1.1  c+d=588 d=r c c+d=588 d=1.1 c  c+d=588 1.1cd=0  Pivot:Row1Row2 1.1cd=0 c+d=588  Row21.11 Row1Row2 1.1cd=0 1.91d=588  d=1.90909091588=308 c=1.10+d=1.10+308=280  c=280 d=308



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