-
+ 6
divide each term on the numerator by 7b
= - 7
/ 7b + 42
/ 7b
= -
+ 6
Answer:
sometimes
Step-by-step explanation:
Think of it this way: your friend is thinking of a year, and you have to guess which. She has told you the year is in the 20th century (1900s).
There are 100 years in the 20th century (1901-1999 plus 1900).
There can be 100 possibilities