Respuesta :
In 3 weeks there are 21 days.
She reads 12 pages a day.
In 21 days she reads 12*21=252 pages.
She reads 12 pages a day.
In 21 days she reads 12*21=252 pages.
Answer:
252
Step-by-step explanation:
days in a week=7
3 weeks= 21 days
12 pages a day times 21 days= 252