SOLUTION: The foundation of a house is 30 feet wide and 42 feet long. If 1/8 inch represents 1 foot on a scale drawing of the house, how many inches wide will the house be on the scale drawi

Question 253609: The foundation of a house is 30 feet wide and 42 feet long. If 1/8 inch represents 1 foot on a scale drawing of the house, how many inches wide will the house be on the scale drawing?
Found 2 solutions by jim_thompson5910, richwmiller:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let x=width of house on scale drawing

Since "1/8 inch represents 1 foot " and "The foundation of a house is 30 feet wide", this means that we have the equation which simplifies to

Start with the given ratio

Multiply both sides by 30

Multiply

Simplify

So our answer is which in decimal form is

So the width of the house on the scale drawing is 3.75 inches.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(1/8)*30 =scale width
.125*30 same thing in decimal
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