Our first task in this problem is to set up variables that represent length and width.
<u>Let's first identify our values:</u>
X → Width
3x + 6 → Length
Before moving on, it's always a great idea to draw a picture of the rectangle to visualize what's going on. I will provide a picture.
Now, we can use the first sentence of the problem to set up our equation.
The perimeter of a rectangle is the distance around the outside of the figure. If our perimeter is 124 cm, we can set up an equation to represent this.
<h3>x + x + 3x + 6 + 3x + 6 = 124cm.</h3><h3 /><h3>If we simplify on the left side we will get </h3><h3>8x + 12 = 124</h3><h3> -12 -12</h3><h3 /><h2>8x = 112</h2><h2>÷8 ÷8</h2><h2 /><h2>X = 14</h2><h2 /><h2>Width = 11 cm</h2><h2>Length = 48 cm</h2>
Answer:
36.25 is equal to the 45.5% of 79.67
Step-by-step explanation:
To solve this you just have to find the value that represents the 100%.
To do this, you can use the Rule of Three that allows you to solve problems of proportions.
In this case, you know that the 45.5% of the magnitude <em>X </em>is 36.25, now you have to find the value which corresponds to the 100%.
Mathematically it will be:
Then you have to solve the equation to find <em>X</em>:
And finally, the answer is: