Respuesta :

Answer:

[tex]P=19y+15[/tex]

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

[tex]P= 2L+2W\\\\P=2(1.5y+9)+2(8y-1.5)\\\\P=3y+18+16y-3\\\\[/tex]

collect like terms

[tex]P=3y+16y+18-3\\\\P=19y+15[/tex]