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3 years ago

Here james and stuff i need this

Mathematics

1 answer:

Wittaler [7]3 years ago

4 0

Answer:

The Cost Price will be $19.99

Step-by-step explanation:

James

Sale Price = (100 - Discount Rate) x Cost Price

Let Y = Cost Price

By Putting the values in above equation:

$16.99 = (100 - 15) x Y

$16.99 = 0.85Y

Dividing the equation by 0.85, we get

Y = $16.99 / 0.85

Y = $19.99

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The table shows how many books the students in Bergdalsskolan list during the summer. There were 48 students who list 4 books. a

Juliette [100K]

Step 1:

First, find the total number of students.

Let the total number of students = m

Step 2:

Find the total number of students using the percentage of 4 books.

48 students listed 4 books with a percentage of 16%

$\begin{gathered} 48\text{ = 16\% of m} \\ 48\text{ = }\frac{16}{100}\text{ }\times\text{ m} \\ 48\text{ = }\frac{16m}{100} \\ \text{Cross multiply} \\ 16m\text{ = 48 }\times\text{ 100} \\ 16m\text{ = 4800} \\ \text{m = }\frac{4800}{16} \\ \text{m = 300} \end{gathered}$

Hence, there are 300 students.

$\begin{gathered} \text{Number of students that had 1 book = 24\% of 300} \\ =\text{ }\frac{24}{100}\text{ }\times\text{ 300} \\ =\text{ }\frac{7200}{100} \\ =\text{ 72 students} \end{gathered}$

72 students had 1 book.

b) What percentage more read 2 books than 4 books?

percentage that read 2 books = 36%

percentage that read 4 books = 16%

36 - 16 = 20%

There are 20% students that read 2 books than 4 books.

8 0

1 year ago

Beth filled 8 jars with paint.

sergey [27]

Answer:

Beth used 1 gallon of paint

Step-by-step explanation:

1 pint x 8 jars = 8

if 1 pint = 0.125 gallons,

0.125 x 8 would equal 1

this means that 8 pints of paint, would equal 1 gallon of paint.

5 0

3 years ago

Read 2 more answers

A positive number multiplied by a negative number equal a positive number. True or False

Vanyuwa [196]

Answer: False

Step-by-step explanation:

Example 3 times -3= -9

6 0

3 years ago

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Which number is larger, .8 or .1?

belka [17]

.8 because .1 is smaller

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3 years ago

What is the area of a circle with radius of 3 inches? Use pie =3.14 A .18.84 square roots B .28.26 square roots C .9.42 square r

tatiyna

Answer:

B. 28.26

Step-by-step explanation:

First you have to find the circumference:

R²= 3²=9

Then you multiply your circumference by 3.14 to get you answer:

9·3.14=28.26

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3 years ago