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3 years ago

If 20 is 40% of a value, what is that value?

2 answers:

8 0

X is the unknown value. The word "of" means to multiply. 40% in decimal form is 0.40. So "40% of a value" means "0.40x".
20=0.40x
Divide both sides by 0.40:
x=50

Neko [114]3 years ago

5 0

Answer:50

Step-by-step explanation:

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How do you close question

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You close a question with a question mark..right?

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2 years ago

2) Evaluate the given numerical expression. A) 9 B) 12 C) 14 D) 21

eduard

Answer:

$\boxed{\sf{14}}$

Step-by-step explanation:

$\boxed{\underline{\text{ORDER OF OPERATIONS:}}}$

Use the order of operations.

Note: PEMDAS or BODMAS stands for:

PEMDAS

Parentheses
Exponents
Multiply
Divide
Add
Subtract

BODMAS

Brackets
Order
Divide
Add
Subtract

First, do parentheses.

3+6*(5+4)÷3-7

(5+4)=9

$\Longrightarrow: \sf{3+6* 9\div 3-7}$

Do multiply and divide.

6*9=54

54/3=18

Then, rewrite the problem down.

$\Longrightarrow: \sf{3+18-7}$

Add.

$\sf{3+18=21}$

$\sf{21-7=\boxed{\sf{14}}$

$\Longrightarrow: \boxed{\sf{14}}$

Therefore, the correct answer is "C. 14".

I hope this helps, let me know if you have any questions.

8 0

2 years ago

How do write 85 less than the product of 23 and an unknown number is 191.

guapka [62]

23(x)-85
Substitute 12 for x
23(12)-85
276-85
191

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3 years ago

5 metric tons = ____ kilograms

ANEK [815]

Answer:

5000

Step-by-step explanation:

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3 years ago

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Sarah counts the stamps in his collection. Steven has three more than twice as many stamps as Sarah. if Sarah has n stamps, writ

kondaur [170]

Answer:

3x2=6

Step-by-step explanation:

steven has three times as much as sahrah so she is going to have 6 stamps

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3 years ago

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