Respuesta :

the painted part is 5/8

the time spent is 2/3 hr,

so, the unit rate is,

[tex]\frac{\frac{5}{8}}{\frac{2}{3}}[/tex][tex]=\frac{5}{8}\times\frac{3}{2}[/tex][tex]=\frac{15}{16}[/tex]

so, the unit rate is 15/16 of a room in an hour