You and your friend spent a total of $15 for lunch. Your friend spent $1 more than you. How much did your friend spend on their lunch?	Select the correct option
A) $ 9
B) $ 8
C) $ 4
D) $ 6
E) $ 5

Rationale: "my lunch = l , my friends lunch = l + 1 ( l ) + ( l + 1 ) = 15 l + l + 1 - 1 = 15 - 1 2 l = 14 l = 7 my friends lunch l + 1 = 7 + 1 = $ 8 , the answer is b"
Answer: B