Answer:

Step-by-step explanation:
Step one:
Given data
dimension of the rectangle
Width = 8y-1.5
Length = 1.5y+9
Required
The expression to represents the Perimeter
Step two:
the perimeter of a rectangle is expressed as

collect like terms

2/3=.6 repeating
12/.6 repeating = 18
13 balls of yarn would be used to make 18 scarves.
If you mean in decimal form then it would be 15.65
First markdown: 0.75($500) = $375
Second markdown: 0.75($375) = $281.25
Third markdown: 0.75($281.25) = $210.94
The product of a number y and 12 or 12 times a number y. These are both equivalent expressions to 12y