One hundred chips were divided by Ian and Lyle in the ratio 4:6. What percentage of the chips did Lyle have?
The chips were divided into 4 + 6 = 
<gadget id="calculator">4+6</gadget>
<output>10</output>
10 parts.
Each part has 100/10 = 
<gadget id="calculator">100/10</gadget>
<output>10</output>
10 chips.
Since Lyle owns 6 parts, then he has 6 x 10 = 
<gadget id="calculator">6*10</gadget>
<output>60</output>
60 chips.
This is 60/100 x 100 = 
<gadget id="calculator">60/100*100</gadget>
<output>60</output>
60% of the entire chips.

<result>60</result>