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I am Lyosha [343]
3 years ago
9

A shopkeeper sold a book for Rs.40 and gets 15% profit.If he wants to get 20% profit then what will be the actual price of book?

?
Mathematics
1 answer:
Eduardwww [97]3 years ago
7 0

Answer:

Step-by-step explanation:

Cost price = (100/100+Profit%) * Selling Price = ( 100 /115)*40

= Rs. 34.78

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The time taken by the rock will be 8.77 seconds.

<h3>What is speed?</h3>

Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance.

Given that:-

The equation for free fall at the surface of some planet (s in meters, t in seconds) is s = 2.86t²

The time will be calculated by using the speed formula.

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t   =  25.1 / 2.86

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Therefore the time taken by the rock will be 8.77 seconds.

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