Resposta :
QUESTAO 1:
200=100%
x =20%
20x200=4000:100=40
VALOR DA MERCADORIA=240
QUESTAO 2:
54=90%
x=100%
54x100=5400:90=R$60
QUESTAO 3:
840=100%
560=X
560x100=560000:840=66,6666....
200=100%
x =20%
20x200=4000:100=40
VALOR DA MERCADORIA=240
QUESTAO 2:
54=90%
x=100%
54x100=5400:90=R$60
QUESTAO 3:
840=100%
560=X
560x100=560000:840=66,6666....