Respuesta :

Rusian cam read one book every three days (or 1/3 each day), meaning it would take him 12 days to read 4 books.
Rusian can read 10 books in 30 days, Victoria can read 10 books in 40 days, so it takes her 10 days longer.
A. 13 days. because you have to divide 4 by 1/3

B. 5/6 day longer

Otras preguntas