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Mathematics 17 Online
OpenStudy (anonymous):

http://gyazo.com/0b891e636f34e75c6b7435254a124ebe

OpenStudy (john_es):

They say that each 1 cm is equivalent to 14 cm in reality. So, if your drawing has 6 cm, in the reality you would have...

OpenStudy (anonymous):

so 6:14 right?

OpenStudy (anonymous):

6/14*

OpenStudy (john_es):

I would think in something more proportional, 6*14.

OpenStudy (anonymous):

so that would be the answer is 6*14?

OpenStudy (john_es):

Exactly.

OpenStudy (anonymous):

ty! im a bit confused on this scaling stuff sorry

OpenStudy (john_es):

No problem. In cases like this, you should think this way: if something in the drawing is 1 cm in reality is 6. Then if I double the drawing, 2cm, in reality double the size, 2*6, and so on.

OpenStudy (anonymous):

wait so my overall answer would be 84?

OpenStudy (john_es):

Yes, this is the answer.

OpenStudy (anonymous):

ahhhh

OpenStudy (anonymous):

ty! so just to make sure i have this stuff down right http://gyazo.com/2149f077fd350b492fd208b971523891 this would be 3*12?

OpenStudy (anonymous):

amd then i have my answer?

OpenStudy (anonymous):

@John_ES

OpenStudy (anonymous):

im confused

OpenStudy (john_es):

I was wrong. Your answer is correct.

OpenStudy (anonymous):

wait what were you talking about. so i know for next time?

OpenStudy (john_es):

I missread the problem. Your answer was correct this time.

OpenStudy (anonymous):

http://gyazo.com/cb1af106544f5f80e1f6e551e8f89832

OpenStudy (anonymous):

that would be inverse right?

OpenStudy (john_es):

This is like the first problem. 1 cm in the map is 30000 in the real world. So, 12 cm must be 12*30000=360000 cm=3.6 Km in real world.

OpenStudy (anonymous):

did you just use real world conversion on cm to km?

OpenStudy (john_es):

Yes, it is ok.

OpenStudy (anonymous):

i understand now! thank you so much i just got the next one right, which was 2! thank you!

OpenStudy (john_es):

You're welcome.

OpenStudy (anonymous):

@John_ES i am confused back to this way, the answer should be 108 right? http://gyazo.com/6fc7a19c108256ce232f25f694806cdf

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