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Which mathematical sentence is a correct translation of the problem, where [tex] b [/tex] represents the variable "amount borrowed before"?

Oscar just borrowed [tex]\$30[/tex] from Lucille. If Oscar now owes Lucille a total of [tex]\$126[/tex], how much had Oscar borrowed before?

A. [tex] b = 126 [/tex]

B. [tex] b - 30 \ > \ 126 [/tex]

C. [tex] b - 126 = 30 [/tex]

D. [tex] b + 30 = 126 [/tex]

E. [tex] b - 30 = 126 [/tex]

F. [tex] b + 30 \ > \ 126 [/tex]

Answer :

To solve this problem, we need to find out how much Oscar had borrowed from Lucille before his recent transaction of \[tex]$30.

Let's break it down step by step:

1. Oscar currently owes Lucille a total of \$[/tex]126.
2. Recently, he borrowed an additional \[tex]$30 from Lucille.

To determine how much he had borrowed before this recent borrowing, we set up an equation.

Let \( b \) be the amount Oscar had borrowed before the recent \$[/tex]30.

When Oscar borrows an additional [tex]\( \$30 \)[/tex], the total amount he owes becomes:

[tex]\[ \text{amount owed before} + \text{recent borrowing} = \text{total amount owed} \][/tex]

This translates to:

[tex]\[ b + 30 = 126 \][/tex]

We are given multiple-choice options. From the options:

- A. [tex]\( b=126 \)[/tex]
- B. [tex]\( b-30>126 \)[/tex]
- C. [tex]\( b-126=30 \)[/tex]
- D. [tex]\( b+30=126 \)[/tex]
- E. [tex]\( b-30=126 \)[/tex]
- F. [tex]\( b+30>126 \)[/tex]

The option that correctly represents our equation [tex]\( b + 30 = 126 \)[/tex] is option D.

Therefore, the correct translation of the problem is:

D. [tex]\( b + 30 = 126 \)[/tex]

This equation helps us figure out the amount Oscar borrowed before his recent borrowing of \$30.

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