3 years ago

Can someone teach me about percent increases and decreases with equations?

Mathematics

1 answer:

Slav-nsk [51]3 years ago

5 0

Answer:

s I know I will tell answer

Step-by-step explanation:

45 is a increase valuation _1 is a decrease valuation

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Karen purchased the DVD

9966 [12]

Answer:

Percent markdown = 14%

Step-by-step explanation:

Given:

Original price of DVD player = $175.90

Markdown price of DVD player =$153.77

To find percent markdown.

Amount of mark down $=\textrm{Original price - Markdown price}=\$175.90-\$153.77=\$22.13$

Percent markdown $=\frac{Amount\ of\ markdown}{Markdown\ price}\times100=\frac{22.13}{153.77}\times 100=14.39\%\approx 14\%$

4 0

2 years ago

Two more than a number

schepotkina [342]

X+2 Hope this helps!

6 0

2 years ago

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A piece of wire 6 cm long weighs 30 grams. What is the weight of an 8 m length of the same wire?

Feliz [49]

Answer:

4000 gm

Step-by-step explanation:

We can use ratios to solve

Change 8 m to cm

8m * 100cm/1m = 800 cm

6 cm 800 cm

------------- = ------------

30 grams x gm

Using cross products

6 * x = 800 * 30

6x = 24000

Divide by 6

6x/6 = 24000/6

x = 4000 gm

5 0

2 years ago

Please tell me the answer.. it will mean and help me a lot and give you more points :)

vovikov84 [41]

Step-by-step explanation:

12500 divided by 0.26= liters

5 0

3 years ago

in order to make 5 dozen chocolate chip cookies, I need to use 2 cups of sugar. (a) complete the table, then use the table to dr

sergejj [24]

Answer:

sugar| cookies

(cups) | (dozens)

1 | 2.5

2 | 5

3 | 7.5

4 | 10

Goes up by 2.5 each time

Not sure if this is what you want

Step-by-step explanation:

equation is y = 2.5x

4 0

2 years ago