There are 250 doctors and nurses at a hospital. If the ratio of doctors to nurses is 2 to 3, how many nurses are at the hospital? Select the correct option:	A) 134	B) 138	C) 142	D) 146	E) 150

Rationale: "the number of nurses at the hospital is ( 3 / 5 ) * 250 = 150 . the answer is e ."
Answer: E