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WITCHER [35]
3 years ago
8

There were a total of 800 novels and non-fiction books at a book shop. 2/5 of these books were novels. Each novel was priced at

$7 and each non-fiction book was priced at $5. How much money would the book owner make if he sold 3/8 of the novel and 2/5 of the non-fiction books?
PLEASE ANSWER FAST!
Mathematics
1 answer:
arlik [135]3 years ago
4 0
800*2/5=320 novels
800-320=480 non fiction books

320*3/8=120 novels sold
120*7=$840

480*2/5=192 non fiction books sold
192*5=$960

$960+$840=$1800
The owner would make $1800
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A book is on sale for $6 off of the regular $24 price. What percent is the discount?
Vika [28.1K]
6/24* 100= 25%. You multiply top ( 6 and 100) and divide to bottom (600 and 24) to get 25%.
8 0
3 years ago
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Compute the following radical.<br> sq root 144
lara31 [8.8K]

we are given

\sqrt{144}

Firstly, we will find all possible factors of 144

144=2\times 2\times 2\times 2\times 3\times 3

we can also write as

144=(2\times 2)^2\times (3)^2

now, we can put exponent to over entire term

144=(2\times 2\times 3)^2

now, we can replace 144

\sqrt{144}=\sqrt{(2\times 2\times 3)^2}

now,  sqrt will get cancelled with square

and we get

\sqrt{144}=(2\times 2\times 3)

now, we can simplify it

\sqrt{144}=(4\times 3)

\sqrt{144}=12.............Answer


3 0
3 years ago
The sale price for a computer is $450. the original price was first discounted by 25% and then was discounted an additional 20%.
pishuonlain [190]
Sale price = $450
original price = 25%y
dicount = +20%

solution = $450 × 45%
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3 0
3 years ago
Alla and balla together drink 750ML of water. Of alla drinks 50% more than balla how much does Alla drink
Akimi4 [234]

Answer:

450 ml.

Step-by-step explanation:

Let x be the amount of water drank by Alla and y be the amount of water drank by Balla.

We have been given that Alla and Balla together drink 750 ML of water. We can represent this information as:

x+y=750...(1)  

We are also told that Alla drinks 50% more than Balla. We can represent this information as:

x=1.5y...(2)

From equation (1) we will get,

y=750-x  

Upon substituting this value in equation (2) we will get,

x=1.5(750-x)

Upon distributing 1.5 to right hand side of the equation we will get,

x=1125-1.5x

Upon adding 1.5x to both sides of equation we will get,

x+1.5x=1125-1.5x+1.5x

2.5x=1125

Let us divide both sides of our equation by 2.5.

\frac{2.5x}{2.5}=\frac{1125}{2.5}

x=450

Therefore, Alla drank 450 ml of water.

8 0
3 years ago
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That would be net income (amount made after taxes have been deducted) and hourly wage (amount made per hr at work)
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