anonymous
  • anonymous
help please!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Vocaloid
anonymous
  • anonymous
anonymous
  • anonymous
@Vocaloid

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MrNood
  • MrNood
This is EXACTLY the same problem as I spent 2 hours on with oyu this week and you contributed NOTHING If you had tried to do that then yu would know how to do this. Multiply both sides by the scale factor to get the length of the real room in inches
anonymous
  • anonymous
ok sooo... thats the first step? @MrNood
anonymous
  • anonymous
l*w =a or 6*4=24 @MrNood you dont have to be mean about it
anonymous
  • anonymous
24 before scale factor whats your scale factor
anonymous
  • anonymous
20?
anonymous
  • anonymous
ok i think its 20*24=480
anonymous
  • anonymous
thanks for the help @douglas101 but let @MrNood help me :)
anonymous
  • anonymous
ok good luck
MrNood
  • MrNood
It ells you in the drawing the scale is 1:40 this means the drawing is 40 times smaller than the room so multiply the drawing sizes (6" and 4") by 40 to get the lengths of the sides of the real room
anonymous
  • anonymous
so i have to do 6 x 40 and 4 x 40?
MrNood
  • MrNood
SO the scale length of the room is 6" means the real length of the room is ?? inches the scale width of the room is 4 inches means the real width of the room is ?? inches
MrNood
  • MrNood
yes - do what you said above
anonymous
  • anonymous
ok.. 6 x 40 = 240 4 x 40 = 160 @MrNood
anonymous
  • anonymous
@MrNood ??
MrNood
  • MrNood
SO the scale length of the room is 6" means the real length of the room is 240" the scale width of the room is 4"means the real width of the room is 160" The area of the room is length x width length = 240" width = 160" so Area = ??? square inches?
anonymous
  • anonymous
so for area i have to do this.. 240 x 160?
MrNood
  • MrNood
Yes - that wil give you the area in square inches do that first (but it is not quite the answer yet....)
anonymous
  • anonymous
ok its.. 38,400
MrNood
  • MrNood
Correct you need to put in the units: Area of room = 38400 square inches but th equestion asks for the answer in square feet
MrNood
  • MrNood
SO|dw:1432837996502:dw| IF you had tiles which were 1" square how many would you need to fill 1 square foot? 12" wide by 12" long
anonymous
  • anonymous
1 right? @mrnood
MrNood
  • MrNood
you have a tile which is 1INCH on each side you have a square which is 12 inches on each side (see my diagram) How many little tiles will fill the big square?
anonymous
  • anonymous
oh! is it 12
MrNood
  • MrNood
no 12 would just make 1 row look at my diagram you need 12 rows of 12 tiles to fill the big square how many is that?
anonymous
  • anonymous
24?
anonymous
  • anonymous
@MrNood
anonymous
  • anonymous
or 144?
MrNood
  • MrNood
no - that would fill 2 rows LOOK at my diagram |dw:1432838940902:dw| you have 12 tiles in each row there are 12 rows in 1 row 12 in 2 rows 24 in 3 rows 36 . . . in 12 rows ???