Explicación paso a paso:
3/4 representa 0.75 kg x 90= 67.5
3.1 kg x 90,= 279
Total= 279+ 67.5= 346.5
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Verified answer
Explicación paso a paso:
3/4 representa 0.75 kg x 90= 67.5
3.1 kg x 90,= 279
Total= 279+ 67.5= 346.5