A bucket full of worms kept for Mike's next fishing trip was discovered by the rat that resides in the basement. The rat eats a sixth of the total number of worms in 5 hours. How much time will it take the rat to finish a quarter of the worms?
Pick one.
A) 4 hours	B) 6 hours	C) 7.5 hours	D) 8 hours	E) 30 hours
In 5 hrs, the rat eats 1/6 of the worms.   In 1 hr, it eats (1/6)/5 = 1/30 of the worms. This is his rate of eating.   Worms to be eaten = 1/4. This is the work that has to be done.   Work = Rate * Time   1/4 = 1/30 * Time   Time = 15/2= 
<gadget id="calculator">15/2</gadget>
<output>15/2 = around 7.5</output>
7.5 hrs   Answer (7.5 hours)
<result>C</result>
A bucket full of worms kept for Mike's next fishing trip was discovered by the rat that resides in the basement. The rat eats a sixth of the total number of worms in 5 hours. How much time will it take the rat to finish a quarter of the worms?