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Feliz [49]
3 years ago
8

If the original quantity is 10 and the new quantity is 13,what is the percent increase

Mathematics
2 answers:
Komok [63]3 years ago
7 0

Answer:

30% Increase

Step-by-step explanation:

we know 3 is 30% of 10 and 10+3=13 so we know that 13 is a 30% increase of 10.

ASHA 777 [7]3 years ago
6 0

Answer:Explanation:

Using first principles

Assumption: the increase is to be expressed as a percentage of 10.

We change from 10 to 13 so the increase is 3

We now need to change this into a percentage.

In fraction form we have  

increase

Original value

→

3

10

But we need to change this into the form  

some number

100

Let the unknown value be  

x

giving:

3

10

≡

some number

100

=

x

100

To change the 10 from  

3

10

into 100 we multiply by 10

Multiply by 1 and you do not change the value. However, 1 comes in many forms.

3

10

×

1

 

=

 

3

10

×

10

10

=

 

30

100

This is the same as  

30

×

1

100

but  

1

100

is the same as %

.

So  

30

100

→

30

%

Step-by-step explanation:

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