Question

the price of a book is increased by 20% . if it's increased price ₹145.60 find the original price​

Answer 1

Step-by-step explanation:

Let the original price of the book be Rs. 100.

Decreased price of the book = Rs. 75

Increased price of the book after 20% increase

=

100

120

× Rs. 75= Rs. 90

∴ Net change in price = Rs. 10 decrease

∴ % change =

100

10

×100=10% decrease

helpful to you

Answer 2

Step-by-step explanation:

See , we know the increased

increase in price is 12 %of 145

which is 12/100*145

17.472 so proud original price is

145.60-17.472 which is 128.128

hope this helps

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