Question

se 2/3 de uma mercadoria valem R$2.000, 00 quanto valem 2/5 da mercadoria?

Answer 1

2/3.......................2.000

2/5...........................x

2/3x=2/5(2000)

x=[2/5(2000)]/2/3

x=[2(400)]/2/3

x=[800]/2/3

x=[800.3]/2

x=2400/2

x=1200

Resposta: R$1.200,00