A certain number of workers can do a work in 75 days. If there were 10 workers more it could be finished in 10 days less. How many workers are there?
Answers:
A) 65	B) 30	C) 28	D) 24	E) 32
number of workers = 10* (75-10)/10= 
<gadget id="calculator">10* (75-10)/10</gadget>
<output>65</output>
65   65nswer is 65
<result>A</result>
A certain number of workers can do a work in 75 days. If there were 10 workers more it could be finished in 10 days less. How many workers are there?