Question 1153701
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If 5 boxes of soap weight 75 kilos and box when empty weight 3 kilo how much is the weight of soap?
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"... and box when empty...", must mean ONE box.

One empty box, 3 kilos
Five empty boxes, 15 kilos



How much is the weight of soap?  This is for the five boxes?
{{{75-15=highlight(60)}}}{{{kilos}}}