Answer:
16.5
Step-by-step explanation:
Answer:
The choice D.
Step-by-step explanation:

Answer:

Step-by-step explanation:


taking like terms together

taking LCM


taking LCM

splitting the term

splitting the term



we know that

putting this value in above equation

Answer:
So, the required width of rectangular piece of aluminium is 8 inches
Step-by-step explanation:
We are given:
Perimeter of rectangular piece of aluminium = 62 inches
Let width of rectangular piece of aluminium = w
and length of rectangular piece of aluminium = w+15
We need to find width i.e value of x
The formula for finding perimeter of rectangle is: 
Now, Putting values in formula for finding Width w:

After solving we get the width of rectangular piece :w = 8
So, the required width of rectangular piece of aluminium is 8 inches