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Y_Kistochka [10]
3 years ago
5

a bookseller bought 100 books at rs 40 each 20book were stolen and sold the remaining book at 6% loss. find the seling price of

each book​
Mathematics
1 answer:
creativ13 [48]3 years ago
7 0

Answer:

45.60

Step-by-step explanation:

he spent 80 × 30 = rs 2400

5 %loss means

sp= 2400 - 2400 × 0. 05

= 2280 for all remaining books so each book was sold at

2280/ 50 = 45.60

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a small bridge sit atop for cube shaped powers that all have the same volume. The combined volume of the four pillars is 503 how
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Answer:

60 inches long are the sides of the pillars.

Step-by-step explanation:

Given : A small bridge sits atop four cube shaped pillars that all have the same volume. the combined volume of the four pillars is 500 ft cubed.

To find : How many inches long are the sides of the pillars?

Solution :

Refer the attached picture below for Clarence of question.

The volume of the cube is V=a^3

Where, a is the side.

The combined volume of the four pillars is 500 ft cubed.

The volume of each cube is given by,

V=\frac{500}{4}=125\ ft^3

Substitute in the formula to get the side,

125=a^3

a=\sqrt[3]{125}

a=5\ ft

We know, 1 feet = 12 inches

So, 5 feet =5\times 12=60 inches

Therefore, 60 inches long are the sides of the pillars.

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