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klio [65]
3 years ago
5

Twenty is fourteen more than 3 times a number. What is the number?

Mathematics
2 answers:
lesantik [10]3 years ago
8 0

Answer:

2

Step-by-step explanation:

Let's disect the problem. Three times a particular number plus fourteen equals 20. Let's make an equation, and replace the number with x.

<h2>3x + 14 = 20</h2><h3>The "3x" represents the 3 times the number,</h3><h3>the 14 represents the 14 added to make 20.</h3><h2>Let's solve the equation!</h2>

We'll first minus 14 from each side to balance the equation, but with the intention of isolating the variable, x.

<h2>3x = 6</h2>

We have almost successfully isolated the variable. To isolate the variable, we can divide by three on each side.

<h2>x = 2</h2><h2>The number is 2.</h2>
Amanda [17]3 years ago
4 0

Answer:

Mabey it's 6

Step-by-step explanation:

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3 years ago
What is the value of z?
babymother [125]

Answer:

Step-by-step explanation:

<u>Item 1:</u>

Discount = Original price - discount price

             = 22.50 - 13.50

             = $ 9

Discount percentage = \frac{9}{22.50}*100\\\\

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Discount percentage = 40%

Tax = 14.31 - 13.50 = $0.81

Tax% = \frac{0.81}{13.50}*100\\\\  = 6%

Tax percentage = 6%

<u>Item 2:</u>

Tax = 6% of 16.20

      = 0.06 * 16.20

      = 0.972

Tax = $ 0.97

Total price (including tax )= 16.20 + 0.97 = $ 17.17

         x = $ 17.17

<u>Item 3:</u>

Discount  = 40% of 32.50

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y =  32.50 -13

y = $ 19. 50

Tax = 6% of 19.50

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       = 1.17

z = 1.17 + 19.50

Z  =$ 20.67

                   

5 0
3 years ago
X/3 is equivalent to 1/3X
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Answer:yes

Step-by-step explanation:

5 0
3 years ago
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