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e-lub [12.9K]
3 years ago
11

Please help me this math

Mathematics
1 answer:
QveST [7]3 years ago
4 0

Answer:

You can't solve number 2 without solving number 1 first. Subtract 19.99 from the total amount left (answer to number 2)

Step-by-step explanation:

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At first it decreased by 60 percent and it increased by 80 percent
storchak [24]

The quantity reported an <em>equivalent net</em> percentage change of 28 percent.

<h3>How to calculate the net change of a quantity in percentages</h3>

In this problem we must determine the <em>simple</em> percentage change equivalent to two <em>consecutive</em> percentual changes. The formula that describes the situation is:

1 + r/100 = (1 - 60/100) · (1 + 80/100)

1 + r/100 = 72/100

r/100 = - 28/100

r = - 28

The quantity reported an <em>equivalent net</em> percentage change of 28 percent.

<h3>Remark</h3>

The statement is incomplete. Complete form is presented below:

A quantity is changing. At first it descreased by 60 percent and it increased by 80 percent. What is net change of the quantity in percentage?

To learn more on percentages: brainly.com/question/13450942

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5 0
1 year ago
Please can you give me some facts on percentages other than how to work them out???
MariettaO [177]
Say your test is out of 100 and you 75 correct to calculate your percent you would go

75/100*100

/ = Divide
* = Times
4 0
3 years ago
Read 2 more answers
The formula for the volume of a rectangular prism is lwh What would be a interpretation of that in words. I put the products of
borishaifa [10]

Answer:

the formula for a rectangular prism is length* Height* Width

Step-by-step explanation:

8 0
3 years ago
Help me please im slow
blondinia [14]

Answer:

Yes it is

Step-by-step explanation:

4 0
3 years ago
How many qt equal to 5 gal
Naily [24]
20 quarts equal 5 gallons. There are 4 quarts in a gallon so:


4 x 5 = 20
7 0
3 years ago
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