Question 1014728: Assuming a bucket of sand weighs 6.4 tons and a bucket of salt weighs 4.5 tons how much would the salt weigh in one bucket of an 8 part sand 1 part salt mixture?
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! presumably the bucket is full to capacity and each bucket has the same volume.
this means that, if you divide each bucket into 9 parts, then each part will contain the same volume as well.
what this means is that 1 part of sand takes up the same volume as 1 part of salt.
what's different is the weight.
6.5 tons of sand divided by 9 is equal to (6.5)/9 tons of sand for each part.
4.5 tons of salt divided by 9 is equal to (4.5)/9 tons of salt for each part.
in one bucket of 8 part sand and 1 part salt mixture, the salt would weigh 4.5/9 tons.
the whole bucket containing 8 parts of sand and 1 part of salt would weigh 8 * 6.5/9 + 1 * 4.5/9 = 5.802469136 tons.
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