486-9+6+33×2
477+6+33×2×
483+33×2×
483+66×
66×+483
First, identify the ratio:
1:50 (1 foot on the model is 50 feet on the house)
to find the actual height of the window multiply 1 1/5 by 50
*
=
300/5 simplifies into 60
the height of the real window is 60 feet
D=10
Explanations: 2d-5=3d- 15
2d- 3d =-15+5
D=10
Hi I’m just testing this out, sorry