w - width
2w - length (l)
30 cm - perimeter
w + w + 2w + 2w = 6w - perimeter
The equation:
6w = 30 <em>divide both sides by 6</em>
w = 5 cm
2w = 2(5) = 10
l = 10 cm
The area of a rectangle: A = lw.
Substitute:
A = (5)(10) = 50
Answer:
2/7
Step-by-step explanation:
Answer: do you know the state
12
x/4
Let x=48
Replace x in the expression
48/4