# 15 teachers

15 teachers teach for a combined amount of 128 days over a period of 64 days. What is this expressed as a percentage?

Result

p =  13.333 %

#### Solution:

$p=100 \cdot \ \dfrac{ 128/15 }{ 64 }=\dfrac{ 40 }{ 3 } \doteq 13.3333 \doteq 13.333 \%$

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