Write each sentence using mathematical symbols:

(a) 11 times the sum of and is :

(b) Twice the difference of and is greater than or equal to the reciprocal of :

Note: The middle answer blank in both parts is for you to enter "=", "", "=", "", or "=" for "less than or equal to", "less than", "equals", "greater than", or "greater than or equal to", respectively.

You can earn partial credit on this problem.