Together Lily, David, and Bodhi collected 43 insects. Lily found 7 more than David. David found half of what Bodhi found. How many insects did Lily find?
Let B = the number of insects Bodhi collected.
David = B/2.
Lily = B/2 + 7.
B + B + 7 = 43
2B = 
<gadget id="calculator">36</gadget>
<output>36</output>
36.
B = 
<gadget id="calculator">18</gadget>
<output>18</output>
18 insects.
David = 18/2 = 
<gadget id="calculator">18/2</gadget>
<output>9</output>
9 insects.
Lily = 9 + 7 = 
<gadget id="calculator">9+7</gadget>
<output>16</output>
16 insects.
Lily found 
<gadget id="calculator">16</gadget>
<output>16</output>
16 insects.

<result>16</result>