"Rachel types 162162162 words in 333 minutes. Rachel types at a constant rate. How many words does Rachel type per minute?"

"The answer is

18018018/37
or
486973.45946...

words per minute.

METHOD:

You can treat each 162 independently.

162/333 = 18/37

Then, you can put this value in the fraction. Don't forget that 18 (2 digits) is 018 in 3 digits.

162162162/333 = 18018018/37"