Solve the equation. 3x+7=40
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<em><u>Question:</u></em>
The length of a room is 18 1 /2 feet. If using 1 /4 inch = 1 foot scale, what would be the length of a wall on a blueprint of a floor plan?
<em><u>Answer:</u></em>
The length of a wall on a blueprint of a floor plan is
<em><u>Solution:</u></em>
Given that,
The scale given is:
To find: Length of a wall on a blueprint of a floor plan
Let "x" be the length of a wall on a blueprint of a floor plan
Then from given,
This forms a proportion and we can solve by cross multiplying
Thus length of a wall on a blueprint of a floor plan is
