Question

how to convert this in decimal-a)12/25 and b)3:5

Answer 1

$$\begin{gathered} \left(\mathrm{a}\right).\frac{12}{25}=\frac{12\times 4}{25\times 4}=\frac{48}{100}=0.48 \\ \left(\mathrm{b}\right)3:\hspace{0.17em}5=\frac{3\times 20}{5\times 20}=\frac{60}{100}=0.6 \end{gathered}$$