The ratio representing the age of Halima, Beckham, and Michelle is 4:3:7, respectively. If the total age for the three siblings is 126, calculate the age difference between Halima and Beckham.
The total ratio representing the age of the three siblings is 4+3+7 = 
<gadget id="calculator">4+3+7</gadget>
<output>14</output>
14.
Halima's age is represented by the fraction 4/14, which means she is 4/14*126 = 36 years old.
Beckhams age, from the total age of the three, is 3/14*126 = 
<gadget id="calculator">3/14*126</gadget>
<output>27</output>
27.
The difference in age between Halima and Beckham is 36-27 = 
<gadget id="calculator">36-27</gadget>
<output>9</output>
9.

<result>9</result>