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ELEN [110]
2 years ago
15

A number is decreased by 40% to 525. what is the original amount?​

Mathematics
2 answers:
Natali5045456 [20]2 years ago
7 0

Answer:

The number is 875

Step-by-step explanation:

Step One:

Convert 40% to a decimal --> .40

Step Two

525 = n - .40n

(525 is equal to a number minus forty percent of a number )

Step Three

Isolate the variable by dividing each side by factors that don't contain the variable.

N = 875

zhenek [66]2 years ago
6 0

Answer:

875

Step-by-step explanation:

lets assume the original amount X

the new amount = X - ( X × 40% )

525 = (60 × X) ÷ 100

X = ( 525 × 100 ) ÷ 60

<u>X = 875</u>

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Answer:

4v-6.3w+9.8

Step-by-step explanation:

If you distribute the negative sign (same as distributing -1), then you get -(-4v) + (-6.3w) - (-(9.8))

Basically it's switching the signs

Hope that helped :)

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3 years ago
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Answer: 15g + 9

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2 years ago
A restaurant bill comes to $28.35. Determine the total cost if the tax is 6.25% and a 20% tip is left on the amount before tax
Soloha48 [4]
In the given problem there are several known and important facts to take note of. Firstly the restaurant bill without tax and tips is $28.35. Then the tax of 6.25% needs to be added with the bill. Also a tip of 20% on the original bill needs to be added to find the total cost.
Then tax on the restaurant bill = (6.25/100) * 28.35
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So the tax on the restaurant bill is $1.77
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Amount of tips paid is $5.67
Total cost paid in the restaurant = ( 28.35 + 1.77 + 5.67) dollars
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8 0
3 years ago
HELP PLEASE ILL MAKE YOU BRAINLY PLEASE
yKpoI14uk [10]

Answer: (19,520-1,478) x 8

7 0
3 years ago
Read 2 more answers
In triangle abc, angle;C is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. ac= 3 a
daser333 [38]

Answer:

b = 18.8

A = 9.1°

B = 80.9°

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4 0
2 years ago
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