A seller earns a commission of 5% on the value of sale that he makes. If by selling a cell phone at 80% of the marked price he earns a commission of 12. Then the marked price of the cell phone is?
300
600
500
400
Number System
Ratio & Proportions
Average
Logarithms & Functions
Time & Work
Percentage
Simple & Compound Interest
Profit & Loss
Time Speed & Distance
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