Use a 60 cm long iron wire to form a rectangle. Make the width of the rectangle 2 / 3 of the length, and find the area of the rectangle Help me

Use a 60 cm long iron wire to form a rectangle. Make the width of the rectangle 2 / 3 of the length, and find the area of the rectangle Help me

If the length is 3xcm, the width is 2xcm
therefore
(3x+2x)×2=60
5x=30
x=6
3x=18
2x=12
The area is: 18 × 12 = 216 square centimeters