Nancy builds a hollow wooden ramp for an obstacle course as part of an athletic event. the ramp and the net of the ramp are shown below. units are in feet. the surface area of the ramp is square feet. nancy wants to sell the wooden ramp at a price based on the surface area. if each square foot of wood of the ramp is sold for $3, the ramp would sell for $.

I know it is late...for future reference

The surface area of the ramp is 432 square feet.

The price is $1296

I took the correct answer given and divided it by 3 and got my square feet.  

2nd picture shows the question/answer

Step-by-step explanation:

1) is right

step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x