Question

In a study of 200 students under 25 years old one-fifth have not yet learned to drive. What percentage can drive?

Answer 1

`\begin{gathered} \text{Total number of students is }\Rightarrow200 \\ (1)/(5)\text{ can't drive}\Rightarrow200*(1)/(5)=40\text{ students can't drive} \\ Number\text{ of students tthose can drive}\Rightarrow200-40=160\text{ students} \\ So, \\ \text{percentage}\Rightarrow(160)/(200)*100=80\text{ \% students can drive.} \end{gathered}`