19. If John has \[tex]$50 more money than Mary and you represent John's amount of money as [tex]$[/tex]X[tex]$[/tex], how should you represent Mary's amount of money in terms of [tex]$[/tex]X$[/tex]?

A. [tex]$X - \[tex]$ 50$[/tex][/tex]
B. [tex]$X + \[tex]$ 50$[/tex][/tex]
C. [tex]\[tex]$ 50 - X$[/tex][/tex]
D. [tex]\[tex]$ 50 \cdot X$[/tex][/tex]



Answer :

Sure, let's solve this problem step by step:

1. Understanding the problem:
- We know that John has $50 more than Mary.
- John's amount of money is represented as \(X\).

2. Representation of Mary's amount of money:
- Let's denote John's amount of money by \(X\).
- Since John has [tex]$50 more than Mary, to find the amount Mary has, we need to subtract $[/tex]50 from John's amount.
- Therefore, if John has \(X\) dollars, Mary would have \(X - 50\) dollars.

3. Evaluating the given options:
- A) \(X + 50\): This implies Mary has $50 more than John, which is incorrect.
- B) \(X - 50\): This implies Mary has $50 less than John, which is correct.
- C) \(50 - X\): This would only make sense if \(X\) represented Mary's money instead of John's, which is not the case.
- D) \(50 \cdot X\): This implies a multiplication relationship, which is not relevant here.

Considering the above evaluation, the correct representation of Mary's amount of money in terms of \(X\) is:

[tex]\[ \boxed{B) \ X - 50} \][/tex]

Other Questions