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3. Ron used 24 cubes to make this 3-step staircase. If he uses a total of 84 cubes to make a similar staircase, how many steps will the staircase have?
answered
Oct 23, 2017
Mathematics
middle-school
5
votes
32.0k
views
Which is the appropriate tool to use when recording the steps in separating a mixture?
answered
Aug 30, 2015
Physics
middle-school
0
votes
99.9k
views
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