Ava45018
Ava45018
29-12-2017
Mathematics
contestada
Explain how you got the answer please
Respuesta :
tynollette
tynollette
29-12-2017
Let m be the number of males and f be the number of females.
m+f=46 =>m=46-f
f=3(m-6)
replace m with 46-f: f=3(46-f-6)
f=120-3f
4f=120
f=30
C is the answer.
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