Without knowing the density of an object, it's not possible to calculate it's volume by weight. A 1kg piece of granite and a 1kg piece of igneous rock would be very different in volume.
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1kg = 1000g720/1000 = 18/25Answer: 720g is 18/25 of 1kg.
25x5x5x5x5+1= 1kg
To find the fraction of 1kg that is 550g, you need to divide 550g by 1000g (since there are 1000g in 1kg). This gives you 0.55. Therefore, 550g is 0.55 of 1kg. To express this as a fraction, you can write it as 550/1000, which simplifies to 11/20. So, 550g is 11/20 of 1kg.
fraction = 500grams/1kg = 500/1000 = 1/2
800/1,000 = 8/10 = 4/5