Insufficient data to answer, a cubic yard is a measure of volume (3feet x 3feet x 3feet); whereas a ton is a measure of mass/weight (2000 pounds). Different materials have different weights. A "yard"...
In this case it looks like the term 'yard' which is a slang for cubic yard. Sand is so very different as a naturally occurring granular material of finely divided rock and mineral particles. Sand...
The answer depends upon the material to which you are referring too. A cubic yard of compressed cotton is obviously going to weigh less than a cubic yard of steel.
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