It takes 6 cubes to build a staircase with 3 steps . how many cubes will be need. For 11 steps

2 answers:

5 0

First, find out how many cubes are used for 1 step. 6 cubes/3 steps=2 cubes/step. So, 2 cubes are used to make 1 step. To find out the amount of cubes needed for 11 steps, you multiply 11 by the cubes needed to make 1 step. 11 steps×2cubes=22 cubes. 22 cubes are needed for 11 steps.

zlopas [31]3 years ago

3 0

6cubes__________3steps
xcubes__________11steps
x=6*11\3=2*11=22 cubes
Hope that helps.
Have a nice day!!! ^^

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