A certain number of workers can do a work in 45 days. If there were 10 workers more it could be finished in 10 days less. How many workers are there? Choose the correct choice from the following:
A) 25 B) 30 C) 28 D) 24 E) 35
number of workers = 10* (45-10)/10= 
<gadget id="calculator">10* (45-10)/10</gadget>
<output>35</output>
35   Answer is 35
<result>E</result>
A certain number of workers can do a work in 45 days. If there were 10 workers more it could be finished in 10 days less. How many workers are there?