If x/2 years ago Roger was 18 years old and x/2 years from now he will be 4x years old, how old will he be 5x years from now?	Choose the correct choice from the following answers
A) 32 B) 35 C) 30 D) 51 E) 28
Assume the current age = a   a - x/2 = 18 (i)   a + x/2 = 4x   Or a = 7x/2 (ii)   Putting the value of a from (ii) in (i)   7x/2 - x/2 = 18   Or 6x/2 = 18 Therefore x = 6 and a = 21   5x years from now, age will be  21 + 5*6= 
<gadget id="calculator"> 21 + 5*6</gadget>
<output>51</output>
51   Option 51
<result>D</result>
If x/2 years ago Roger was 18 years old and x/2 years from now he will be 4x years old, how old will he be 5x years from now?