Among the members of the Malmo family, there are three times as many members who do not wear glasses as members who do. Half of the Malmo family members have blue eyes, and 4/5 of the family members who have blue eyes do not wear glasses. What percent of the Malmo family members wear glasses and do not have blue eyes?	Choose one.
A) 10	B) 15	C) 20	D) 25	E) 35
Number in black are given and in red are calculated.   Now, since x+3x=100, then x=25 and therefore =25−10=15   Answer: 15.
<result>B</result>
Among the members of the Malmo family, there are three times as many members who do not wear glasses as members who do. Half of the Malmo family members have blue eyes, and 4/5 of the family members who have blue eyes do not wear glasses. What percent of the Malmo family members wear glasses and do not have blue eyes?