19.6 is 24.5% of what number ?

Answers

Answer 1

Answer:

The required number would be 80 which is 24.5% equal to 19.6.

What is the percentage?

The percentage is defined as a ratio expressed as a fraction of 100.

For example, If Misha obtained a score of 67% on her exam, that corresponds to 67 out of 100. It is expressed as 67/100 in fractional form and as 67:100 in ratio form.

Let the required number would be x

To determine the required number 24.5% represents as a fraction, you can divide 24.5 by 100. This gives you 0.245.

To find out required number 19.6 is 24.5% of, you can set up the following equation:

19.6 = 0.245x

To solve for x, you can divide both sides of the equation by 0.245:

x = 19.6 / 0.245

x = 80

Therefore, 19.6 is 24.5% of 80.

Learn more about the percentages here:

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Answer 2

Answer: 19.6/0.245=80 and 80*0.245= 19.5 as a check, so it's 80

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How many fractions are equivalent to 4/5. Explain

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A fraction equvilent to 4/5 is also 8/10 also 12/15. to find an equivalent fraction all you have to do is multiply top and bottom ( numerator & denominator ) by the same number.

A store has a sale on books. The price is $17.55 for one book, $16.70 each for 2 books, $15.85 each for 3 books, and $15 each for 4 books. If this pattern continues, how much per book will it cost to buy 7 books

Answers

The cost for each book will be $\boxed{\$ 12.45}$ if the person buy 7 books.

Further explanation:

The arithmetic sequence can be expressed as follows,

${a_1}, {a_2}, {a_3}$ ......

Here, $a{\text{ or }}{a_1}$ represents the first term, ${a_2}$ represents the second term, and so on.

The common difference “d” can be obtained as follows,

$\boxed{d = {a_2} - {a_1}}$

The nth term can be obtained as follows,

$\boxed{{a_n} = a + \left( {n - 1} \right)d}$

Explanation:

The cost of a book is $\$ 17.55.$

The cost of a book is $\$ 16.70$ if the person buys 2 books.

The cost of a book is $\$ 15.85$ if the person buys 3 books.

The cost of a book is $\$ 15.00$ if the person buys 4 books.

The sequence is $\$ 17.55, \$ 16.70, \$ 15.85, \$ 15.00.$

The first term is $\$ 17.55,$ the second term is $\$ 16.70.$

The common difference “d” can be obtained as follows,

$\begin{aligned}d&={a_2} - {a_1}\n&=16.70 - 17.55\n&=- 0.85\n\end{aligned}$

The cost for each book if the person buys 7 books can be obtained as follows,

$\begin{aligned}{a_6}&= 17.55 + \left( {7 - 1} \right)\left( { - 0.85} \right)\n&= 17.55 + 6\left({ - 0.85} \right)\n&= 17.55 - 5.1\n&=\$12.45\n\end{aligned}$

The cost for each book will be $\boxed{\$ 12.45}$ if the person buy 7 books.

Learn more:

1. Learn more about inverse of the functionbrainly.com/question/1632445.

2. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Arithmetic Sequence

Keywords: Store, books, price, $17.55, 2 books, 3 books each cost $16.40, pattern continues, cost, 7 books.

1 book is 17.55
2 books is 16.70
3 books is 15.85
4 books is 15
5 books is 4.15
6 books is 4.30
7 books is (3.55)

Reflect the triangle in the mirror line.

Answers

The diagram attached below shows the schematic representation of reflection of a triangle that occurs in a plane mirror.

What is a reflection?

A reflection can be defined as a type of transformation which moves every point of the object by producing a flipped but mirror image of the geometric figure.

The top left point will stay the same in the axis, and will be on the axis

Finally, the top right point will stay true same on the x-axis, but will be on the axis in its image.

Since the mirror is a plane surface which can reflect light. The diagram attached below shows the schematic representation of reflection of a triangle that occurs in a plane mirror.

Answers

The answer is
Mikas: 16-oz bottle: 12.2¢ per ounce
36-oz bottle: 8.5¢ per ounce

To calculate price per ounce, we will use the proportion:
16 ounces : $1.95 = 1 ounce : x
Crossing the products:
x = $1.95 × 1 ounce ÷ 16 ounces
x = $0.122 = 12.2¢
So, 16-oz bottle is 12.2¢ per ounce.

Similarly:
36 ounces : $3.05 = 1 ounce : x
Crossing the products:
x = $3.05 × 1 ounce ÷ 36 ounces
x = 0.085 = 8.5¢
So, 36-oz bottle is 8.5¢ per ounce.

It can be concluded that Mikas was correct.

SolveSusan has 45 hats in 10 cupboards her friends borrowed some of the hats. Nicky borrowed 3 hats and Shelly borrowed 2 hats. If Susan divided the remaining hats into the cupboards, how many hats would be in each cupboard? Explain.

Answers

she would have 4 in each cupboard because 45-5=40 then we divide 40 by 10 because thats how many cupboards she has and that equals 4.

In all, 5 hats would be taken so you must do 45-5=40, then divide 40 by 10 since there are 10 cupboards. The answer would be 4

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