A box contains cubes and 5-sided pyramids with 17 items and 95 sides, how many cubes in the box?

A box contains cubes and 5-sided pyramids with a total of 17 items and 95 sides,  How many cubes are in the box?
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1 Answer

c+p=17     eq*6

6c+6p=102..........................eq1

6c+5p=95.............................eq2

eq1-eq2

p=7    pyramids

c=10   cubes

 

by Level 8 User (32.3k points)
How did you get 7 pyramids and 10 cubes?
asked Aug 16, 2012 in Algebra 1 Answers by anonymous | 499 views

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How did you get 7 pyramids and 10 cubes?
asked Aug 16, 2012 in Algebra 1 Answers by anonymous | 499 views
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