a shopkeeper marks his goods 20 percent above cost price and allows a discount of 15 percent. what percent does he gain or lose?
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Answer:
2% profit
Step-by-step explanation:
If original is x, 20% extra would be x + x/5
= 6x/5
When 15% is reduced from that,
= 6x/5 - 6x/5 × 15/100
= 6x/5 - 9x/50
= 51x/50
= 1.02x
The shopkeeper gains a profit.
1.02x - x = 0.02x
0.02/1 × 100 = 2%
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