In simplest form, what is the ratio of triangles to circles?
2 answers:
There are 3 shapes present.
Triangle - 2
Circle - 4
Square - 2
Ratio of triangles to cirles: 2 triangles to 4 circles ⇒ 2/4
2/4 simplified to 1/2.
Let
T-------> number of triangles in the data set
C-------> number of circles in the data set
S-------> number of squares in the data set
N------> number of total elements in the data set
we have

we know that

The ratio of triangles to circles is equal to

Divide by
boths numerator and denominator

therefore
the answer is
the ratio of triangles to circles is equal to 
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