A box contains both cubes and five-sided pyramids. The total number of objects in the box is 17. The total number of sides for the cubes and pyramids is 95. How many cubes are in the box?


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xiao guguai Profile
xiao guguai answered
X+y=17, 6x+5y=95, x=10, y=7, so there are 10 cubes.

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