W + 3w = 90 is obviously wrong
The area is 20
The height is 5
The volume is 60
The surface area is 94
Perimeter = 2(10+20) = 60feet
60ft fencing material is needed
Answer:
Its either 300 or 315
Step-by-step explanation:
Mainly because 20 ×15= 300 but the triangles on the side, I can't figure it out. I eliminated 82 and 420, 420 mainly because I got it wrong and 82 doesn't make sense.
Sub x=-5+2y
2(-5+2y)+4y=14
y=3