There 11

There are 50 pupil in the class. Out of of this number,1/10 speak French only and 4/5 of the 10 remainder speak both French and English . If the rest speak English only find the number of students who speak only English?

Correct answer:

E =  37

Step-by-step explanation:

$$\begin{gathered} n=50 \\ F={\displaystyle \frac{1}{10}}\cdot n={\displaystyle \frac{1}{10}}\cdot 50=5 \\ A={\displaystyle \frac{4}{5}}\cdot 10=8 \\ E=n-F-A=50-5-8=37 \end{gathered}$$

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