70 POINTS PLEASE HELP!!!
Rose has made this scale drawing of her house. How wide is her house?
A) 23.5 ft
B) 40 ft
C) 54.5 ft
D) 70 ft

70 POINTS PLEASE HELP Rose has made this scale drawing of her house How wide is her house A 235 ft B 40 ft C 545 ft D 70 ft class=

Respuesta :

Answer:

D) 70ft

Step-by-step explanation:

1 inch is 20 feet

so 3.5 inches is 3.5 times 20 = 70

hmm, did you choose 70 points because you knew the answer?  

Rose house is 70 ft wide according to her scale.

On the scale drawing, the width of her house is 3 1/2 inches .

According to the scale,

1 inch = 20 feet

3 1 /2 (7/2) inches = ? feet

cross multiply

Therefore,

width  of her house = 7/2 × 20 = 140/2 = 70 feet

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