A company wants to spend equal amounts of money for the purchase of two types of computer printers costing $375 and $150 per unit, respectively. What is the fewest number of computer printers that the company can purchase? Choose the most appropriate option:
A) 3  B) 4  C) 5  D) 6  E) 7

Rationale: the smallest amount that the company can spend is the lcm of 375 and 150 , which is 750 for each , which is total 1500 . the number of 1 st type of computers which costing $ 375 = 750 / 375 = 2 . the number of 2 nd type of computers which costing $ 150 = 750 / 150 = 5 . total = 2 + 5 = 7 answer is e .
Answer: E