the egg vendor calls on his 1st customer and sells his half his eggs and half an egg.to the 2nd customer he sells half of what he had left and half an egg,and to the 3rd customer he sells half of what he had then left and half an egg.by the way he did not break any eggs.in the end 3 eggs were remainig.how many did he start out with?
Choose the correct choice from the following answers:
A) 21  B) 31  C) 41  D) 51  E) 61
He start out with 31eggs.   In the end, he have 3eggs left.   So,   3*2 +1= 
<gadget id="calculator">3*2 +1</gadget>
<output>7</output>
7   7*2 +1= 
<gadget id="calculator">7*2 +1</gadget>
<output>15</output>
15   15*2 +1= 
<gadget id="calculator">15*2 +1</gadget>
<output>31</output>
31   31eggs he had initially.   ANSWER:31
<result>B</result>
the egg vendor calls on his 1st customer and sells his half his eggs and half an egg.to the 2nd customer he sells half of what he had left and half an egg,and to the 3rd customer he sells half of what he had then left and half an egg.by the way he did not break any eggs.in the end 3 eggs were remainig.how many did he start out with?