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3 years ago

Tom had 322 dollars to spend on 9 books. after buying them he had 16 dollars. How much did each book cost?

Mathematics

2 answers:

Sunny_sXe [5.5K]3 years ago

6 0

Answer:

The answer is $35

Step-by-step explanation:

First you divide 322 my 9 so you can get 35, that was the price of each book.

hope it helps:)

Ede4ka [16]3 years ago

3 0

Answer:

He spent 34 dollars on each book

Step-by-step explanation:

first you subtract 16 from 322 and it would be 306 and then you divide 306 by 9 and that would be the total of each book!! <3

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The perimeter of a rectangle is 72 cm. The length is 3 more than twice the width What

solmaris [256]

<h3>Solution</h3>

Given :-

Perimeter of rectangle = 72 cm
The length is 3 more than twice the width.

Find :-

Dimensions of rectangle

<h3 /><h3>Explantion</h3>

Using Formula

$\boxed{\underline{\tt{\red{\:(perimeter_{rectang}\:=\:2\times (Length+Width)}}}}$

Let,

Length of Rectangle = x cm
Breadth of Rectangle = y cm

According to question,

==> perimeter of Rectangle = 72

==> 2(x+y) = 72

==> x + y = 72/2

==> x + y = 36_________________(1)

Again,

==> x = 2y + 3

==> x - 2y = 3__________________(2)

Subtract equ(1) & equ(2)

==> y + 2y = 36 - 3

==> 3y = 33

==> y = 33/3

==> y = 11

keep in equ(1)

==> x - 2×11 = 3

==> x = 3 + 22

==> x = 25

<h3>Hence</h3>

Length of Rectangle = 25 cm
Width of Rectangle = 11 cm

<h3 />

7 0

3 years ago

What is the sum of 1 2/5 and 5 3/4

Art [367]

Answer:

$7\frac{3}{20}$

Step-by-step explanation:

Hey there!

Well to add this we need to pu it in improper form.

7/5 + 23/4

Now we need to find the LCM.

5 - 5, 10, 15, 20, 25, 30

4 - 4, 8, 12, 16, 20, 24, 28

So the LCD is 20.

Now we need to change the 5 and 4 to 20.

5*4 = 20

7*4 = 28

28/20

4*5=20

23*5=115

115/20

Now we can add 28 and 115,

= 143/20

Simplified

7 3/20

Hope this helps :)

4 0

3 years ago

Read 2 more answers

Please answer correctly !!!!!!!! Will mark brainliest answer !!!!!!!!!!!!!

spin [16.1K]

Answer & Step-by-step explanation:

Since you looking for the width and you are given the length and the area, then you will divide the area by the length.

(10x² + 5x) ÷ 5x

You can also turn this into a fraction so you can know what you are dividing.

$\frac{10x^2+5x}{5x}$

So, your width is 2x + 1

8 0

3 years ago

Read 2 more answers

Gemma recently rode her bicycle to visit her friend who lives 6 miles away. On her way there, her average speed was 16 miles per

DochEvi [55]

first speed --- x mph

return speed -- x+16 mph

6/x + 6/(x+16) = 1

times each term by x(x+16)

6(x+16) + 6x = x(x+16)

x^2 + 4x - 96 = 0

(x-8)(x+12) = 0

x = 8 or x is a negative

her first speed was 8 mph

her return speed was 24 mph

check:

6/8 + 6/24 = 1 , that's good!

8 0

3 years ago

-3x+7y=5x+2y can you guys help me find the y value please

PtichkaEL [24]

Answer:

y=8/5 x

Step-by-step explanation:

combine the like terms and solve

take the number multiplying with y on the other side and divide it by a number multiplying with x

6 0

3 years ago