Which number from the set {10, 11, 13, 14} is a solution for this inequality?
2 answers:
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Check the tessellation picture below.
now, bear in mind that, you're asked on "regular pentagons", no irregular like the ones in the left-hand-side in the picture. Now, notice the ones in the right-hand-side, those are regular pentagons... well, do they tessellate?
now, bear in mind that, you're asked on "regular pentagons", no irregular like the ones in the left-hand-side in the picture. Now, notice the ones in the right-hand-side, those are regular pentagons... well, do they tessellate?
Given:
The width of a kitchen is 4.2 metres.
Kitchen cupboard widths are 60 cm.
To find:
The number of kitchen cupboard that will fit in 4.2 metres.
Solution:
Let x be the number of kitchen cupboard that will fit in 4.2 metres.
Width of 1 cupboard = 60 cm
Width of x cupboards = 60x cm
We know that, 1 m = 100 cm.
Width of a kitchen = 4.2 metres
= 4.2×100 cm
= 420 cm
Now, the width of the x cupboards is equal to width of the kitchen.
Therefore, the number of kitchen cupboard that will fit in 4.2 metres is 7.