The ratio of the number of red cars in a certain parking lot to the number of black cars is 3 to 8. If there are 90 black cars in the lot, how many red cars are there in the lot?	Select: A) 11 B) 33 C) 24 D) 27 E) 32

Rationale: b is correct r / b = 3 / 8 and b = 90 r = 90 * 3 / 8 = 33
Answer: B