A charity collected $3,199 from donors during the last month. If each donor gave at least $20, what is the greatest possible number of donors the charity could have?	Choose the correct option:  A) 145  B) 150  C) 155  D) 159  E) 165
Min fund = 20   Total = 3199   The closest multiple of 20 to 3199 is : 159   Which implies 158 people gave 20 and 1 person gave 39   Ans. 159
<result>D</result>
A charity collected $3,199 from donors during the last month. If each donor gave at least $20, what is the greatest possible number of donors the charity could have?