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Out of 100 people selected for a school survey, 59 were junior students, 3 were teachers and the rest were senior students. Write the following ratios. Teachers : juniors Juniors : seniors Seniors : teachers Teachers : students Juniors : other members of the survey

 Jun 10, 2015

Best Answer 

 #1
avatar+26376 
+10

Out of 100 people selected for a school survey, 59 were junior students, 3 were teachers and the rest were senior students. Write the following ratios.

Teachers : juniors

Juniors : seniors

Seniors : teachers

Teachers : students

Juniors : other members

of the survey

 

$$\small{\text{$
\begin{array}{lcr}
\rm{Junior ~students}&=&59\\
\rm{Teachers}&=&3\\
\rm{Senior ~students}=100-59-3&=&38\\\\
\rm{Teachers : Juniors} &=& \dfrac{3}{59} = 0.05084745763\\\\
\rm{Juniors : seniors } &=& \dfrac{59}{38} = 1.55263157895\\\\
\rm{Seniors : teachers } &=& \dfrac{38}{3} = 12.\overline{6}\\\\
\rm{Teachers : students } &=& \dfrac{3}{100-3} = \dfrac{3}{97} = 0.03092783505\\\\
\rm{Juniors : other ~members } &=& \dfrac{59}{100-59} = \dfrac{59}{41}= 1.43902439024
\end{array}
$}}$$

 

 Jun 10, 2015
 #1
avatar+26376 
+10
Best Answer

Out of 100 people selected for a school survey, 59 were junior students, 3 were teachers and the rest were senior students. Write the following ratios.

Teachers : juniors

Juniors : seniors

Seniors : teachers

Teachers : students

Juniors : other members

of the survey

 

$$\small{\text{$
\begin{array}{lcr}
\rm{Junior ~students}&=&59\\
\rm{Teachers}&=&3\\
\rm{Senior ~students}=100-59-3&=&38\\\\
\rm{Teachers : Juniors} &=& \dfrac{3}{59} = 0.05084745763\\\\
\rm{Juniors : seniors } &=& \dfrac{59}{38} = 1.55263157895\\\\
\rm{Seniors : teachers } &=& \dfrac{38}{3} = 12.\overline{6}\\\\
\rm{Teachers : students } &=& \dfrac{3}{100-3} = \dfrac{3}{97} = 0.03092783505\\\\
\rm{Juniors : other ~members } &=& \dfrac{59}{100-59} = \dfrac{59}{41}= 1.43902439024
\end{array}
$}}$$

 

heureka Jun 10, 2015

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