Múltiples pasos. Marcia hará un marco para su cuadra la longitud del cuadro es de 15 pulgadas el ancho es un tercio de la longitud. Cuanta madera necesita Marcia para el marco

Marcia will need 40 inches of wood for the frame

Step-by-step explanation:

The question in English is

Marcia will make a frame for her painting. The length of the frame is 15 inches, the width is a third of the length. How much wood does Marcia need for the frame?

we know that

The perimeter of a rectangle is given by the formula

where

L is the length

W is the width

we have

the width is a third of the length

so

substitute the value of L

Find the perimeter

180

step-by-step explanation:

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1