Answer:
X is equal to or greater than 7
Step-by-step explanation:
Since lx-7l is equal to x-7, this means that it can only work on places where the lines are on top of each other. In terms of x, this means that x must be at least 7. As you can see in the number line also attached.
A=3B
4.35A+5.40B=780.95
Substitute 3B into A for the second equation:
4.35(3B)+5.40B=780.90
13.05B+5.40B=780.90
18.45B=780.90
B=42.33
Plug into equation 1:
A=3B
A=3(42.33)
A=126.98
Hi there!
First, we need to find the area of the rectangles.
10 × 5 = 50
9 × 3 = 27
Now, we find the percent of increase.
27 ÷ 50 = 0.54
Convert into a percentage:
0.54 = 54%
And subtract from 100%.
100% - 54% = 46%
The answer is 46%.
Hope this helps!
