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2 years ago

Find the percent of change from $40 to $50.

Mathematics

2 answers:

andrezito [222]2 years ago

3 0

Answer:

125%

Step-by-step explanation:

so you are increasing by $10, and $10 is 25% of $40, so the percent change is 125%

Zepler [3.9K]2 years ago

3 0

Answer: 20%

Step-by-step explanation: 20% because 50$ is 100% that means 40$ is 80%, subtract 100 from 80 and you get 20% which is 10$

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If 50% is 10 what is 25%

kaheart [24]

Step-by-step explanation:. The first says “I know that 10 is one-tenth of 100. I will therefore divide 50 by 10. The answer is 5”.

This is fine when the numbers are relatively simple. But suppose the numbers are more complicated.

What is 22% of 46?

Now it’s much less straightforward. You can’t just work out what 22% is, expressed as a fraction, and anyway, it’s not a simple fraction.

Instead, you have to divide 46 into 100 equal parts, and work out what 22 of them would be when added together.

So: 46 ÷ 100 = 0.46 [remember, when you divide by 100, you move the decimal point two places to the left].

0.46 × 22 = 10.12

Answer: 22% of 46 is 10.12.

Hope this helped :)

8 0

3 years ago

The charge to rent a trailer is $2525 for up to 2 hours plus $99 per additional hour or portion of an hour. Find the cost to r

Ksju [112]

The question is not written properly! Complete question along with answer and step by step explanation is provided below.

Question:

The charge to rent a trailer is $25 for up to 2 hours plus $9 per additional hour or portion of an hour.

Find the cost to rent a trailer for 2.8 hours, 3 hours, and 8.7 hours.

Then graph all ordered pairs, (hours, cost), for the function.

Answer:

ordered pair = (2.8, 34)

ordered pair = (3, 34)

ordered pair = (8.7, 88)

Step-by-step explanation:

Charge for 2.8 hours:

$25 for 2 hours

$9 for 0.8 hour

Total = $25 + $9

Total = $34

ordered pair = (2.8, 34)

Charge for 3 hours:

$25 for 2 hours

$9 for 1 hour

Total = $25 + $9

Total = $34

ordered pair = (3, 34)

Charge for 8.7 hours:

$25 for 2 hours

$9 for 1 hour

$9 for 0.7 hour

Total = $25 + $9 + $9 + $9 + $9 + $9 + $9 + $9

Total = $88

ordered pair = (8.7, 88)

The obtained ordered pairs are graphed, please refer to the attached graph.

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3 years ago

What is the vertex of g(x) = -3/? + 2 (3, -25) (-3,-25) (3,29) (-3, 29)

Orlov [11]

Answer:

（3，-25）

Step-by-step explanation:

6 0

3 years ago

Please look at picture to answer all i know is that the answer is not (B)

krek1111 [17]

Answer:

Step-by-step explanation:

A parcent as a fraction would be /100. So the answer would not be C or D. And since it isn't B, the answer is only A

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3 years ago

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Find three consecutive even numbers whose sum is 42.

ra1l [238]

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2 years ago

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