If a ring of diameter 4 inches moves at the rate of x inches/min and another ring of diameter 12 inches moves at the rate of y inches/min, and if they both cover a distance at the same time then find the value of x in terms of y?	Select the correct option
A) 6y/2	B) 3y/4	C) 5y/2	D) 2y/4	E) 1y/3
t=S1/V1=S2/V2   or 4/x=12/y   or x=4y/12=1y/3   Answer is 1y/3
<result>E</result>
If a ring of diameter 4 inches moves at the rate of x inches/min and another ring of diameter 12 inches moves at the rate of y inches/min, and if they both cover a distance at the same time then find the value of x in terms of y?