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rusak2 [61]
3 years ago
8

School with 500 students has 30 math teachers. How many math teachers are needed for 750 students?

Mathematics
1 answer:
klemol [59]3 years ago
7 0
Assuming a direct proportional variation.

\bf \begin{array}{ccll}
students&teachers\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
500&30\\
750&t
\end{array}\implies \cfrac{500}{750}=\cfrac{30}{t}\implies t=\cfrac{750\cdot 30}{500}\implies t=45
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