The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 7 years hence?
Pick
A) 22	B) 77	C) 74	D) 98	E) 71
A + B = 60, A = 2B   2B + B = 60 =&gt; B = 20 then A = 40.   7 years, their ages will be 47 and 27.   Sum of their ages = 47 + 27= 
<gadget id="calculator">47 + 27</gadget>
<output>74</output>
74.   Answer: 74
<result>C</result>
The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 7 years hence?