Emily’s father built a doll house, to scale, based on their house. Emily’s room is 12 ft long and 10 ft wide. The same room in the dollhouse is 8.5 in. long. What is the approximate width of Emily’s room in the dollhouse?

7.0833 inches

Step-by-step explanation:

As Emily's room in the dollhouse has its dimensions as a scale of Emily's room, we can solve this problem using rule of three:

The room has 12 feet long, and its scaled room has 8.5 inches long, so if the room has 10 feet wide, the width of the scaled room is X:

12 feet -> 8.5 inches

10 feet -> X inches

12/10 = 8.5/X

X = 10 * 8.5 / 12

X = 7.0833 inches

step-by-step explanation:

i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?