2 years ago

A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.

Mathematics

1 answer:

zlopas [31]2 years ago

6 0

Answer:

Let the cost price be x

Selling price, S.P. = 130
Gain % = 30%

$\rm{C.P. = \dfrac{S.P. \times 100}{100+ gain \% }}$

$\rm{C.P. = \dfrac{130 \times 100}{100+30}}$

$\rm{ C.P. = \dfrac{130}{30} }$

$\large{\boxed{\rm{ C.P. = \dfrac{13}{3}}}}$

You might be interested in

Write an equation in standard firm using integers y-4=5(x-8)

diamong [38]

I would say its y=5x-36

3 0

3 years ago

Ray Of Light [21]

C
A square can be defined as a rhombus which is also a rectangle – in other words, a parallelogram with four congruent sides and four right angles. A trapezoid is a quadrilateral with exactly one pair of parallel sides.

3 0

3 years ago

If the sum of two consecutive odd numbers is 28 . find the numbers.

Sauron [17]

Answer:

13 and 15

Step-by-step explanation:

13 and 15 are consecutive odd numbers and

13 + 15 = 28

7 0

3 years ago

One serving of yogurt has 95 calories.

fiasKO [112]

Answer:

About 300 calories

The drawing will help

7 0

3 years ago

The number of caps a new online store sells increases by a factor of 4 each month. The function f(x)=4^x represents the number o

sladkih [1.3K]

For this case we have the following variables:

x: number of months

f (x): number of caps sold

The function that models the problem is given by:

$f (x) = 4 ^ x$

By the time the store sells 64 caps we have:

$4 ^ x = 64$

From here, we clear the number of months:

$log4 (4 ^ x) = log4 (64)\\x = log4 (64)\\x = 3$

Answer:

the store sells 64 caps in 3 monts

A. month 3

8 0

3 years ago

A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.​

A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.