Respostas

2013-11-08T14:04:58-02:00
Dias---colares----tamanho
15------320---------1,20
5--------x------------1,25

 \frac{320}{x}= \frac{16}{5}. \frac{1,25 }{1,20}
 \frac{320}{x}= \frac{20}{6}
20x=1920\\x= \frac{1920}{20}\\x=96
1 5 1