Answer:

x = 30

Step-by-step explanation:

perimeter of parallogram = 2 ( l + b )

480 = 2 ( 2x + 6x )

480 = 2 × 8x

480/2 = 8x

8 x = 240

x = 240 / 8

x = 30

Answer:

x = 30

Step-by-step explanation:

perimeter of parallogram = 2 ( l + b )

480 = 2 ( 2x + 6x )

480 = 2 × 8x

480/2 = 8x

8 x = 240

x = 240 / 8

x = 30