joe805
01.07.2019 •
Mathematics
A50 liter aquarium weighs 23 kilograms empty. what does it weigh when filled with 45 liters of water?
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Ответ:
totalweight=tankweight+waterweight
tankweight=weight when empty=23kg
waterweight=45liters mass
1liter weighs 1kg, so 45liters weights 45kg
totalweight=23+45=68kg
Ответ:
1/3
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