Question

A box filled with 38 identical balls had a mass of 2.13kg.When 26 balls were removed,the total mass of box and the remaining balls was 0.96 kg.Find the mass of the box when it was empty

Sep 18, 2016

x + 38b = 2.13
x + (38-26)b = 0.96

now just solve for x.

Sep 18, 2016

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