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ozzi
3 years ago
13

if you decrease by a given percent and then increase by the same percent, will you be back where you started? how do you know

Mathematics
1 answer:
quester [9]3 years ago
5 0

Lets pick a random number, like 50. Lets decrease and increase it by 50%. After the decrease, you will get 25, but when you increase it by 50%, it's only 37.5. No, because when you decrease it, you have a smaller base, so it increases less than it decreases. 50% of 100 is 50, but 50% of 50 is 25. You can see there is a significant difference.

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Based on the information below, choose the correct answers.
lozanna [386]

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2 years ago
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6 0
3 years ago
How to solve x+3y=3 and 2x-3y=-12
Sever21 [200]
Get x on one side then you can use substitution
So, change x+3y=3 to x= -3y+3
Then plug in x to other equation to find y
2(-3y +3)-3y=-12
-6y + 6 -3y = -12
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Divide both sides by negative nine to find y
y = 2
Then plug in to original equation to find x
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3 0
3 years ago
Read 2 more answers
Simplify by combining like terms 4s + 1/6s + 2 3/5s
HACTEHA [7]
<h3>The solution by combining like terms is 6.7667</h3>

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

4s + \frac{1}{6}s + 2\frac{3}{5}s

We have to simplify by combining the like terms

From given,

4s + \frac{1}{6}s + 2\frac{3}{5}s

Convert the mixed fraction to improper fraction

4s + \frac{1}{6}s + \frac{13}{5}s

Make the denominator same

\frac{4s \times 30 }{30} + \frac{1s \times 5}{6 \times 5} + \frac{13s \times 6}{5 \times 6}\\\\\frac{120s}{30} + \frac{5s}{30} + \frac{78s}{30}\\\\\frac{203}{30} = 6.7667

Thus the solution is 6.7667

7 0
2 years ago
A piece of wood used for construction is 2 inches by 4 inches by 24 inches . What is the surface area of the wood ?
Kazeer [188]
2•{(2•4)+(2•24)+(4•24)}= 304
8 0
3 years ago
Read 2 more answers
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