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3 years ago

Find the percent of discount (change) if an item that was priced at 54.00 is now on sale for 45.95

Mathematics

1 answer:

Semmy [17]3 years ago

3 0

Answer:

about 14.9%

Step-by-step explanation:

Percent change can be computed using the formula ...

percent change = ((new value)/(old value) -1) × 100%

For the given numbers, this is ...

percent change = (45.95/54.00 -1) × 100% ≈ -14.907%

The discount is about 14.9%.

_____

Computed this way, the sign of the percentage change is negative for a decrease (discount), and positive for an increase.

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Tim bought nine new baseball trading cards to add to his collection. The next day his dog ate half of his collection. there are

Dmitrij [34]

Answer:

Step-by-step explanation:

the dog ate half so there is only the other half left and there is 43 cards left

1 half + 1 half = 1 whole so 43 + 43 = 86
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86 - 9 = 77

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2 years ago

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ivolga24 [154]

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Step-by-step explanation:

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3 years ago

The average wage for an electrician in CA is $25.47/hour. That is 11% above the national average. What is the national average?

yan [13]

Answer:

$22.95/hour.

Step-by-step explanation:

It is given that the average wage for an electrician in CA is $25.47/hour. That is 11% above the national average.

Let as consider x be the national average.

11% above the national average is

$x+\dfrac{11}{100}x=x+0.11x=1.11x$

The average wage for an electrician in CA is 11% above the national average. So,

$1.11x=25.47$

Divide both sides by 1.11.

$x=\dfrac{25.47}{1.11}$

$x=22.945945...$

$x=22.95$

Therefore, the national average is $22.95/hour.

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3 years ago

As an estimation we are told 5 miles is 8 km. <br> Convert 68 km to miles.

ArbitrLikvidat [17]

Answer:

42 miles

Step-by-step explanation:

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How do i write 5,972,000,000,000,000,000,000,000kg in Scientific Notation

Brrunno [24]

5.972 × 10<span>21.

Hope this helps.</span>

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