Four brothers went camping. The eldest brother divided the equipment between them so that the elder brothers would carry heavier load than the younger ones. The heaviest backpack weighed 20,5 kg, the next 5,5kg less and so on. What was the overall weight of their backpacks?

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Answers

2014-02-07T19:54:01+05:30
20,5 kg - the 1st brother
20,5-5,5=15 kg - the 2nd brother
15-5,5=9,5 kg - the 3rd brother
9,5-5,5=4 kg - the 4th brother

Altogether
20,5+15+9,5+4=49 kg
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