Question

Find 12 rational numbers between −1 and 2.

Answer 1

$$\begin{gathered} \mathrm{We}\mathrm{may}\mathrm{write}: \\ -1=\frac{-10}{10} \\ \mathrm{and} \\ 2=\frac{20}{10} \\ \mathrm{Rational}\mathrm{numbers}\mathrm{between}-1\mathrm{and}2: \\ \frac{-9}{10},\frac{-8}{10},\frac{-7}{10},\frac{-6}{10},\frac{-5}{10},\frac{-4}{10},...,\frac{14}{10},\frac{15}{10},\frac{16}{10},\frac{17}{10},\frac{18}{10}\mathrm{and}\frac{19}{10} \\ \mathrm{We}\mathrm{can}\mathrm{take}\mathrm{any}12\mathrm{numbers}\mathrm{out}\mathrm{of}\mathrm{these}. \end{gathered}$$