The total age of A and B is 13 years more than the total age of B and C. C is how many year younger than A	Choose one:	A) 11	B) 12	C) 13	D) 14	E) 15
Explanation:   Given that A+B = 13 + B + 13= 
<gadget id="calculator">+ 13</gadget>
<output>13</output>
&gt; A ? 13= 13 + B ? B = 13   =&gt; 13 is younger than A by 13 years   Answer: Option 13
<result>C</result>
The total age of A and B is 13 years more than the total age of B and C. C is how many year younger than A