GRE
Exam
Numerical Ability
Percentage
a dry cleaner charges $2 for upto 3 pounds in weight of clothes and 30% more per pound or part there of to a maximum of 10 pounds per load.what is the cost in dollars of cleaning six and half pounds of clothes?
Read Solution (Total 2)
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- 5.03
2$ are charged for first 3 pounds
so.for 1 pound the charge will be=2/3$
30% per pound .so (2/3)*(30/100)=1/5
so 1 pound cost after 3$=13/15$
so..total charge for 7/2=3.03$ & total cost is..2+3.03=5.03$ - 12 years agoHelpfull: Yes(3) No(1)
- 2$ are charged for first 3 pounds
Now for the rest three and half pound..the rate would be 2+30/100=2.3$ per pound
So total charge=2+7/2(3 and half pound)*2.3=10.05$ - 12 years agoHelpfull: Yes(0) No(3)
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