Question

11. At 12% discount, the selling price of a pen is
13.20. Find its marked price. Also, find the
new selling price of the pen, if it is sold at 5%
discount.
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Answer 1

Explanation:

Let M.P be x,

then discount =(12/100)×x=12x/100

SP=MP-Discount

13.20=x-(12x/100)

13.20=(100x-12x)/100

1320/88=x

x=Rs15

MP=Rs15

For 5% discount

Discount = d% of MP=(5×100)×15=Rs3/4

SP =15-(3/4)= (15×4-3)/4= Rs 57/4= Rs 14.25

Marked Price is Rs 15 AND

selling price is Rs 14.25

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Answer 2

Here is your answer

STEP 1: Form the equation:

100 - 12 = 188%

The pens were sold at 88%

The pens were sold at 13.20

88% = 13.20

.............................................................................................

STEP 2: Find the marked price:

88% = 13.20

1% = 13.20 ÷ 88 = 0.15

100% = 0.15 x 100

Marked Price = 15

.............................................................................................

STEP 3: Find the discounted price:

5% discount = 0.05 x 15 = 0.75

Discounted Price = 15 - 0.75

Discounted price = 14.25

..............................................................................................

Answer: The marked price is 15 and the price at 15% is 14.25

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