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d1i1m1o1n [39]
3 years ago
13

A 15% discount saves you $5 off the price of an electronic game. How much do you save off the regular price if the discount is w

as raised to 45%? Explain your reasoning.
Mathematics
1 answer:
chubhunter [2.5K]3 years ago
4 0

Answer:

The 45% off discount saves an additional $10 compared to the 15% discount for a total of $15 off regular price.

Step-by-step explanation:

We can find the original price of the game through a proportion. A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities. For example, we will compare percent over percent to an equal ratio  of $ to $. Since 15% of 100% is the same ratio as $5 to the unknown original $ price, I write:

\frac{15}{100} =\frac{5}{y}

I can now cross-multiply by multiplying numerator and denominator from each ratio.

15y=100(5)\\15y=500

I now solve for y by dividing by 15.

\frac{15y}{15} =\frac{500}{15} \\y= 33.33333....

The original price was $33.34.

Now, we can find the amount if 45% off and then then compare the two discounts. To find the percent off I can multiply by 0.45(33.34)=15. The 45% off discount saves an additional $10 compared to the 15% discount.

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The sales tax percentage is 7%.

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What is the perimeter of the triangle in units of the triangle formed by the points (-3,1), (-3,5), and (4,1)?
ira [324]

let's say

A(-3,1) B(-3,5) C(4,1)

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AB BC and AC

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let's say that a point has the structure A(x1,y1) where x=-3 and y=1 and B(x2,y2) where x2=-3 and y2=5

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we do the same thing for AC and BC

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AC=\sqrt{7^2+0^2}

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8 0
2 years ago
ASAP PLZZZ I NEED HELP
son4ous [18]

Answer:

994.5

Step-by-step explanation:

First, you need to figure out how many people are actually attending the event. It says that there are 50% more so we are going to have to add 56% of 150 to 150.

150 x 0.56 = 84

150 + 84 = 234

Now, we have to multiply this by 4.25, because this is the cost of the food per person.

234 x 4.25 = 994.5

3 0
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Answer: x+y

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Simple.

Since there is nothing splitting, all you need to do is add x and y.

To break it down:

They want to know the hours per week the theater is open. X represents the hours from Sunday to Thursday and Y represents hours from Friday to Sunday therefor all you need to do is add them because they represent Hours.

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The unit of measurement appropriate for this would be meters^2

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3 years ago
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