Question

7. Atrader sold 40 erasers and earned a profit equal
his profit percentage.
8. A dealer bought an air conditioner for 25 000. What was the selling price if he sold it at a
(i) profit of 15% (ii) loss of 4%?
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Answer 1

8). ANSWER

i). price of air conditioner = 25000

profit made by dealer= 15% of 25000+25000

$15 \times 25000 + 25000 \\ = 375000 + 25000 \\ = 400000$

ii). price of air conditioner = 25000

loss made by dealer = 4% of 25000

$4 \times 25000 -25000 \\ 10000 - 25000 \\ = 15000 \: answer$