In a neighborhood having 90 households, 11 did not have either a car or a bike. If 16 households had a both a car and a bike and 44 had a car, how many had bike only?
Pick one:
A) 30  B) 35  C) 20  D) 18  E) 10
{Total}={Car}+{Bike}-{Both}+{Neither} --&gt; 90=44+{Bike}-16+11 --&gt; {Bike}=51 --&gt; # those who have bike only is {Bike}-{Both}=51-16= 
<gadget id="calculator">51-16</gadget>
<output>35</output>
35.   Answer: 35.
<result>B</result>
In a neighborhood having 90 households, 11 did not have either a car or a bike. If 16 households had a both a car and a bike and 44 had a car, how many had bike only?