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Nari says, "The sum of 10 and one-third of a number is 25." She uses the bar model to write an equation to represent her
statement.
25
10
Which equation can Nari write using the bar model?
© 25 – 10+ jn
10-3n+25
25 = 10-3n
10-10-25

Respuesta :

Answer:

[tex]25=10+\frac{1}{3}n[/tex].

Step-by-step explanation:

It is given that the sum of 10 and one-third of a number  is 25.

Let as consider n be the unknown number.

One-third of a number [tex]=\frac{1}{3}n[/tex]

Sum of 10 and one-third of a number [tex]=10+\frac{1}{3}n[/tex]

The sum of 10 and one-third of a number  is 25. It can be written as

[tex]25=10+\frac{1}{3}n[/tex]

Therefore, the required equation is [tex]25=10+\frac{1}{3}n[/tex].

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