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The fire department is making bags to hand out during a parade. Some of the bags, [tex]x[/tex], will contain 3 stickers and some of the bags, [tex]y[/tex], will contain 4 stickers. The fire department has a total of 240 stickers. This equation represents the relationship:
[tex]\[ 3x + 4y = 240 \][/tex]

Which statement is true about the graph of the relationship?

A. The graph is a line that goes through the points [tex]\((3,0)\)[/tex] and [tex]\((0,4)\)[/tex].
B. The graph is a line that goes through the points [tex]\((4,0)\)[/tex] and [tex]\((0,3)\)[/tex].
C. The graph is a line that goes through the points [tex]\((80,0)\)[/tex] and [tex]\((0,60)\)[/tex].
D. The graph is a line that goes through the points [tex]\((60,0)\)[/tex] and [tex]\((0,80)\)[/tex].


Sagot :

Let's consider the given equation:

[tex]\[ 3x + 4y = 240 \][/tex]

To determine which statement is true about the graph of this equation, we will find the x-intercept and the y-intercept.

#### Step-by-Step Solution:

1. Finding the x-intercept:
- The x-intercept occurs when [tex]\( y = 0 \)[/tex].
- Substituting [tex]\( y = 0 \)[/tex] into the equation:
[tex]\[ 3x + 4(0) = 240 \][/tex]
[tex]\[ 3x = 240 \][/tex]
[tex]\[ x = \frac{240}{3} = 80 \][/tex]
- So the x-intercept is [tex]\((80, 0)\)[/tex].

2. Finding the y-intercept:
- The y-intercept occurs when [tex]\( x = 0 \)[/tex].
- Substituting [tex]\( x = 0 \)[/tex] into the equation:
[tex]\[ 3(0) + 4y = 240 \][/tex]
[tex]\[ 4y = 240 \][/tex]
[tex]\[ y = \frac{240}{4} = 60 \][/tex]
- So the y-intercept is [tex]\((0, 60)\)[/tex].

3. Conclusion:
- The graph of the equation [tex]\( 3x + 4y = 240 \)[/tex] is a line that goes through the points [tex]\((80, 0)\)[/tex] and [tex]\((0, 60)\)[/tex].

Therefore, the correct statement about the graph of the relationship is:

The graph is a line that goes through the points [tex]\((80, 0)\)[/tex] and [tex]\((0, 60)\)[/tex].