A wears black shoes 25% of the time while B wears black shoes 68% of the time. 20% of the time A and B wear black shoes on the same day. Over a period of 100 days, how many days will they both not have black shoes?
Choose the correct option
A) 27%
B) 12%
C) 45%
D) 17%
E) 80%
27% and B both wear black shoes 20% of the time: 0.20x100=20 days   .68x100=68-20= 
<gadget id="calculator">68-20</gadget>
<output>48</output>
48 days 27% is wearing black shoes when B is not   .25x100=25-20= 
<gadget id="calculator">25-20</gadget>
<output>5</output>
5 days B is wearing black shoes when 27% is not     48+5+20= 
<gadget id="calculator">  48+5+20</gadget>
<output>73</output>
73/100 either 27% or B is wearing black shoes   1-73/100= 27% either 27% or B is NOT wearing black shoes   27%nswer is 27%
<result>A</result>
A wears black shoes 25% of the time while B wears black shoes 68% of the time. 20% of the time A and B wear black shoes on the same day. Over a period of 100 days, how many days will they both not have black shoes?