If it takes 30 construction workers 70 days to build a skyscraper, how long would it take 50 workers?  Choose the correct choice from the following answers
A) 52 days	B) 47 days	C) 42 days	D) 37 days	E) 32 days
30 * 70 = 50 * x   x = 42   Answer: 42 days
<result>C</result>
If it takes 30 construction workers 70 days to build a skyscraper, how long would it take 50 workers?