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Keith_Richards [23]
3 years ago
10

40% of N is 80. Find N

Mathematics
1 answer:
Aliun [14]3 years ago
5 0

Answer:

i think N=32

Step-by-step explanation:

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BRAINLIEST ANSWER PLZ HELP THANK YOU
insens350 [35]

For this you should just look at the y value in each ordered pair.

The first one should be no.

second one: yes

third one: no

fourth one: no

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What is 1/2+1/3+1/6+1/2+1/8+1/4
Harrizon [31]
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VMariaS [17]
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kogti [31]

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Mrs wang is 23 years older than her daughter. I’m 5 years, their age will total 63. How old is each now?
Rom4ik [11]

Answer:

Mrs. Wang is 38 years old and her daughter is 15 years old.

Step-by-step explanation:

Explanation:

Let

x

=

the daughter's age

Mrs. Wang is

23

years older, so her age is

x

+

23

In five years, the daughter will be

x

+

5

years old

In five years, Mrs. Wang will be

x

+

23

+

5

=

x

+

28

years old

And, in five years the sum of their ages will be 63, so...

x

+

5

+

x

+

28

=

63

Combine like terms

2

x

+

33

=

63

a

a

−

33

a

−

33

a

a

a

Subtract 33 from both sides

2

x

a

a

a

a

a

=

30

2

x

2

=

30

2

a

a

a

Divide both sides by 2

x

=

15

a

a

a

The daughter is 15

x

+

23

=

15

+

23

=

38

a

a

a

Mrs. Wang is 38

8 0
4 years ago
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