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Bogdan [553]
3 years ago
12

A store buys an item for $50 and marks it up 100%. What is the price?

Mathematics
2 answers:
Alexxandr [17]3 years ago
7 0
50 + (100% of 50) =
50 + 1(50) =
50 + 50 =
100 <===
pantera1 [17]3 years ago
3 0

Answer:

Therefore, store has marked the selling price as $100.

Step-by-step explanation:

A store buys an item for $50 and marks it up 100% up means store has marked the selling price of that item twice of its cost price.

Selling price = Cost price + Profit

                     = Cost price + 100% of cost price

                    = 2 × cost price

                     = 2 ×50 = $100

Therefore, store has marked the selling price as $100.

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Answer:

15

Step-by-step explanation:

let r represent red marbles then white = 2r + 5 and total is 20, thus

r + 2r + 5 = 20 ( subtract 5 from both sides )

3r = 15 ( divide both sides by 3 )

r = 5 ← number of red marbles

Thus number of white = 20 - 5 = 15

7 0
3 years ago
Thea has a key on her calculator marked $\textcolor{blue}{\bf\circledast}$. If an integer is displayed, pressing the $\textcolor
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Answer:

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Step-by-step explanation:

Given: Thea enters a positive integer into her calculator, then squares it, then presses the $\textcolor{blue}{\bf\circledast}$ key, then squares the result, then presses the $\textcolor{blue}{\bf\circledast}$ key again such that the calculator displays final number as $243$.

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Solution:

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the number before $18$ must be $81$

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A volleyball reaches its maximum height of 13 feet, 3 seconds after its served. Which of the following quadratics could model th
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Answer:

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Step-by-step explanation:

The "unit rate" here is  

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