Machine A and machine B are each used to manufacture 330 sprockets. It takes machine A 10 hours longer to produce 330 sprockets than machine B. Machine B produces 10 percent more sprockets per hour than machine A. How many sprockets per hour does machine A produces? Choose the correct option
A) 5  B) 4  C) 6  D) 8  E) 3
Machine B: Takes x hours to produce 330 sprockets   Machine A: Takes (x+10) hours to produce 330 sprockets   Machine B: In 1 hour, B makes 330/x sprockets   Machine A: In 1 hour, A makes 330/(x+10) sprockets   3quating:   1.1(330/(x+10)) = 330/x   484/(x+10) = 330/x   363x = 330x+3300   33x = 3300   x = 100   A makes   330/(110)= 
<gadget id="calculator">  330/(110)</gadget>
<output>3</output>
3 sprockets per hour   Answer : 3
<result>E</result>
Machine A and machine B are each used to manufacture 330 sprockets. It takes machine A 10 hours longer to produce 330 sprockets than machine B. Machine B produces 10 percent more sprockets per hour than machine A. How many sprockets per hour does machine A produces?