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Brrunno [24]
3 years ago
11

For my homework i dont understand this: the sale price on an item is $160 after a 20% discount.what is the origonal price of the

item?
Mathematics
1 answer:
mr_godi [17]3 years ago
5 0
The original price is $200 because if you did 200 * 0.2, it would equal $160 which is the discounted price.
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Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}
sashaice [31]

Hey there!

Assuming you meant

5r^2 - 12 = 68

If so, follow these steps so it can be a little bit easier to solve

Firstly, we have to add by 12 on each of your sides

5r^2 -12 +12 \\ \\ 68 + 12

5r^2 = 5r^2 \\ \\ 68 + 12 = 80

We get: 5r^2 =80

Now, we have divide by 5 on each of your sides

\frac{5r^2}{5} = \frac{80}{5}

\frac{80}{5}  = 16

We get: r^2 = 16

r = ± \sqrt{16}

Therefore , your answer is:r = ±4

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

3 0
3 years ago
The difference of two numbers is equal to 0.6. Their quotient is also 0.6. What are the numbers? There are 4
Makovka662 [10]
Let the two numbers be represented by x and y. The problem statement gives rise to two sets of equations.
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or
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The solution of the first pair of equations is
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The solution of the first and last equations is
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The pairs of numbers could be {0.9, 1.5} or {-1.5, -0.9}.
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Twenty-six out of 50 teachers drive their cars to school. Approximately what percent of these teacher drive to school
Mars2501 [29]

Answer:

52%

Step-by-step explanation:

26÷50×100

that's it, hope it's okay

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Under his cell phone plan, Samuel pays a flat cost of $41.50 per month and $5 per gigabyte. He wants to keep his bill at $52.50
MakcuM [25]

Answer:

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Step-by-step explanation:

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3 years ago
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lapo4ka [179]

Answer:

Dionne :)

Step-by-step explanation:

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