Respuesta :

Answer:

Distance covered by Eli is [tex]5\frac{19}{20}[/tex] miles.

Step-by-step explanation:

Eli biked the distance from his home initially = [tex]1\frac{1}{10}[/tex] miles

Then he remembered that he had left a book at home.

He came back home and traveled the distance = [tex]1\frac{1}{10}[/tex] miles

Then he reached the library by traveling the distance = [tex]3\frac{3}{4}[/tex] miles

Total distance covered by him = [tex]1\frac{1}{10}+1\frac{1}{10}+3\frac{3}{4}[/tex]

                                                   = [tex]1 + \frac{1}{10}+1+\frac{1}{10}+3+\frac{3}{4}[/tex]

                                                   = 5 + [tex]\frac{1}{10}+\frac{1}{10}+\frac{3}{4}[/tex]

                                                   = [tex]5+\frac{2}{20}+\frac{2}{20}+\frac{15}{20}[/tex]

                                                   = [tex]5+\frac{19}{20}[/tex]

                                                   = [tex]5\frac{19}{20}[/tex] miles

Therefore, distance covered by Eli is [tex]5\frac{19}{20}[/tex] miles.