Asked by Hersey
On a scale drawing of a house, a rectangular bedroom has a length of 8 inches and a perimeter of 30 inches. The scale is 0.5 inch= 1 foot. What is the actual width of the feet of the bedroom?
7 feet
14 feet
15 feet
22 feet
this is my answer but I don't know whether to choose 14 or 7
30- 8*2=30-16=14/2=7*0.5=3.5
7 feet
14 feet
15 feet
22 feet
this is my answer but I don't know whether to choose 14 or 7
30- 8*2=30-16=14/2=7*0.5=3.5
Answers
Answered by
oobleck
in inches, 2(8+w) = 30
so, w = 7in
Since each inch = 2ft, the room is 14 ft wide.
Your last step should have been 7 / 0.5, not 7 * 0.5
And be careful where you use = signs. Those various quantities are in no way equal.
so, w = 7in
Since each inch = 2ft, the room is 14 ft wide.
Your last step should have been 7 / 0.5, not 7 * 0.5
And be careful where you use = signs. Those various quantities are in no way equal.
Answered by
Hersey
Thank you for explaining it to me. I will be more careful next time.
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