Question

Corinne is 6 years younger than her brother. Which of the following expressions shows the sum of their ages if b represents Corinne's brother's age?A. b-6
B. 2b-6
C.2(b-6)
D. b divided by 6

Answer 1

Corinne :  b - 6  years old;
her brother : b years old.
The sum:  b - 6 + b = 2 b - 6
Answer: B )