[tex]\begin{gathered} Ryan\text{ spends }\frac{7}{10}\text{ }hour\text{ to get ready} \\ GoIng\text{ to school takes }\frac{1}{4}\text{ hour} \\ Time\text{ from waking up to getting school=}\frac{7}{10}+\frac{1}{4} \\ Time\text{ from waking up to getting school=}\frac{28+10}{40} \\ Time\text{ from waking up to getting school=}\frac{38}{40} \\ Time\text{ from waking up to getting school=}\frac{19}{20} \\ Rayn\text{ takes }\frac{19}{20}hour\text{ from waking up to getting school} \end{gathered}[/tex]