Respostas

2013-07-03T15:25:34-03:00

x=tomates

y=pepinos

x+y=140

5x=2y

*x=140-y

*5(140-y)=2y

700-5y=2y

700=7y

y=100

*x=140-y

x=140-100

x=40

tomates=40g

pepinos=100g

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