The ratio of pens to pencils is 5 to 6. There are 7 more pencils than pens. How many pencils are there? Choose the correct choice from the following options:
A) 36
B) 42
C) 48
D) 55
E) 64

Rationale: "let the number of pens be 5 x and the number of pencils be 6 x . 6 x - 5 x = 7 x = 7 the number of pencils is 42 . the answer is b ."
Answer: B