It equals twelve. hope it helps :)
Answer: Use the areas for actual length, and in terms of blueprint length, use a ruler to measure inches.
Step-by-step explanation: IDK if this is correct, but thats how I know it.
A) x + y = -80
B) 3x = y
x + 3x = -80
4x = -80
x = -20
y = -60
First, we draw our line.
|------------------------------------------------------------------------------------|
a e
Next, break up this line into segments using the information.
|----------------------|----------------------|--------------------|------------------|
a b c d e
The entire line is 29.
ab + bc + cd + de = ae
ab + bc + cd + de = 29
You also know that
bd = bc + cd
Due to midpoint theorem,
ab = bc
cd = de
Then,
2ab + 2cd = 29
The equations we will use are
bd = bc + cd eq1
2bc + 2cd = 29 eq2
Dividing both sides of the equation in eq2 yields
bc + cd = 14.5
bd = bc + cd
bd = 14.5
come to your house to pick it lowest to go with D