How much did Nina save in February?
n Tae Kwon Do class, 40% of the students are boys.
There are 18 fewer boys than girls.
How many students are in the Tae won Do class altogether?
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Total students= x
%age if boys= 40%
%age of girls=100-40=60%
no of boys=40/100*x= 60/100*x - 18
no of girls= 60/100*x =40/100*x + 18
total students=
(60/100*x-18) + (40/100*x+18) = x
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