Seudónimo
Seudónimo
10-08-2016
Mathematics
contestada
how determine if it is proportional
Respuesta :
richechik
richechik
10-08-2016
if you cross multiply and the answers are the same.
2/5=4/10 because 5*4=20, and 10*2=20
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4m+9+5m-12=43 simplify and solve
