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Anna11 [10]
3 years ago
10

How do i work this out?

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

She has 45% of the original amount left

<h3>Ratio and proportions</h3>

Fractions are written as a ratio of two integers

Given the following

Initial amount. = ∈4000


Amount given to her sister = 1/4 * 4000 = 1000

Amount given to her brother = 40% of 3000 = 1200

Amount left = 4000 - (1000+1200)

Amount left = ∈1800

Determine the percentage left

x * 4000 = 1800

x = 1800/4000

x = 0.45

x = 45%

Hence she has 45% of the original amount left

Learn more proportion here: brainly.com/question/19994681

#SPJ1

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vodka [1.7K]

Answer:

50 seconds

Solution: It is given that Clare is paid $90 for 5 hours of work. We know that $1 is equal to 100 cents. Hence, it take 50 seconds to earn 25 cents.

8 0
3 years ago
What do you have to do? Sale of 3 bicycles $665. Answer Also, the sale of two helmets and one baby seat $95. Answer plz I will g
maw [93]

Answer:

$760 altogether.

Each bike costs $221.666667.

both helmets cost about $32.5 bucks, and the baby seat costs $30.

Step-by-step explanation:

Simply divide the amount of items by the price of all of them, and then think of a real price that it'd be.

"$760 altogether"

Simply add all the total amounts together.


6 0
4 years ago
How can sums and differences of cubes be identified for factoring?
yan [13]

Answer:

Step-by-step explanation:

The sum of two perfect cubes breaks down into two factors, the first is the sum of their cube roots, and the second is made up of the square of the first root minus the product of both roots plus the square of the second root.

The difference of two perfect cubes is decomposed into two factors, the first is the difference of their cube roots, and the second is made up of the square of the first root plus the product of both roots plus the square of the second root.

5 0
4 years ago
Evaluate 6(8 – 3 <br><br> its for Algebra 1
Aleks [24]
You would get 48-18=30
8 0
4 years ago
Jenn is cutting a long piece of wire into short pieces to make earrings. She is cutting from a wire that is 25 1/2 inches long.
irakobra [83]

Answer:

<h2>34 earrings</h2>

Step-by-step explanation:

Step one:

given that the total lenght of the wire is 25 1/2 inches

in decimal, this is 25.5 inches

we are told that each earring requires 3/4 in of wire

in decimal this 0.75 in

Step two:

<em>The number of earrings that can be mad is found by dividing the total length of wire by the length needed to make one earring</em>

The number of earrings that can be made is given as

=25.5/0.75

=34 earrings

3 0
3 years ago
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