Cross-country competition

76% of the pupils in class 9B participated in the cross-country race. The class consists of 16 boys, of whom 2 did not run, and some girls, of whom 4 did not run.

How many girls are in class 9B?

Final Answer:

x =  9

Step-by-step explanation:


(16-2)+(x-4) = 76/100 · (16+x)

24x = 216


x = 216/24 = 9

x = 9

Our simple equation calculator calculates it.



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