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Type: Multiple-Choice
Category: Volume
Level: Grade 11
Standards: HSG-MG.A.2
Author: nsharp1
Last Modified: a week ago

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Grade 11 Volume CCSS: HSG-MG.A.2

A block of rock is part granite and part silver. The block is a cube, with each side measuring 1.5 m. The total mass of it is 11,890 kg. What percent of the rock, by mass, is silver? The density of silver is [math]10.49 \ "g"//"cm"^3[/math] and the density of granite is [math]2.75 \ "g"//"cm"^3[/math]. Round the answer to the nearest percent.
  1. 10%
  2. 30%
  3. 47%
  4. 90%
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