SOLUTION: In a company printing work is done by two machine 5% of the work done by machine A are wasted , and 40% of work done by machine B are wasted. if the 80% of the total work is done

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: In a company printing work is done by two machine 5% of the work done by machine A are wasted , and 40% of work done by machine B are wasted. if the 80% of the total work is done       Log On


   

Question 345447: In a company printing work is done by two machine 5% of the work done by machine A are wasted , and 40% of work done by machine B are wasted. if the 80% of the total work is done by machine A. then what is the total percentage of wastage.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
In a company printing work is done by two machine 5% of the work done by machine A are wasted ,
and 40% of work done by machine B are wasted.
if the 80% of the total work is done by machine A. then what is the total percentage of wastage.
:
Let 1 = total amt done by both machines
Machine A does 80%
Machine B does 20%
:
Using decimals
Machine A wastes .05(.8) = .04 of total wasted
Machine B wastes .40(.2) = .08 of total wasted
---------------------------------
total from both machines: .12 * 100 = 12% wasted