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photoshop1234 [79]
3 years ago
7

Suppose you go shopping for a new futon bed for your room. The model you really like happens to be on sale for $1200. It's origi

nal price is $1400. What percent of the original price will you save if you purchase it?
Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

Answer:

If you purchase it, you will save 16.67% of the original price.

Step-by-step explanation:

Percentage problems can be solved as a simple rule of three problem:

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too. In this case, the rule of three is a cross multiplication.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease. In this case, the rule of three is a line multiplication.

A percentage problem is an example where the relationship between the measures is direct.

The problem states that the model you really like happens to be on sale for $1200 and it's original price is $1400. It means the you saved $1400-$1200 = $200. Thus, the problem wants to know how much $200 is of $1200. So, we have the following rule of three

$1200 - 100%

200 - x%

1200x = 200*100

x = \frac{20000}{1200}

x = 16.67%.

If you purchase it, you will save 16.67% of the original price.

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Sindrei [870]

Hey there!

The correct answer is w = \frac{-1}{2}

7w + 6 + 2w = w + 2          ~ Write the equation

9w + 6 = w + 2                   ~ Simplify

8w + 6 = 2                          ~ Subtract w from both sides

8w = -4                             ~ Subtract 6 from both sides

w = \frac{-1}{2}                                ~ Divide both sides by 8

Hope it helps and have a great day!

4 0
3 years ago
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m_a_m_a [10]

Answer:

5/6

Step-by-step explanation:

Dividing two fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

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2 years ago
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Elena L [17]

Answer:

area of trapezium:

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so its 8+20=28.

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Step-by-step explanation:

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The correct option will be: d. 0.4%

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Here, the simple interest is calculated monthly, that means the number of times interest calculated in a year will be 12.

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