SOLUTION: He spends 18 hours to finish 40% of a job, how lond will it take to finish the whole job?

Question 368952: He spends 18 hours to finish 40% of a job, how lond will it take to finish the whole job?
Answer by mananth(16949) (Show Source): You can put this solution on YOUR website!
40 % of x = 18
40/100 *x=18
multiply by 100
40x= 1800
/40
x= 1800/40
=45 hours
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m.ananth@hotmail.ca