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 choices.
A) 25
B) 30
C) 28
D) 24
E) 35

Rationale: "number of workers = 10 * ( 45 - 10 ) / 10 = 35 answer is e"
Answer: E