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OpenStudy (anonymous):
OpenStudy (tkhunny):
24*(5/3) = ??
OpenStudy (anonymous):
thanks. let me c...
OpenStudy (anonymous):
40.000008.
OpenStudy (tkhunny):
How did you get that? It should be an integer.
24/3 = 8
8*5 = 40
No "0.000008"
This solves the problem.
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OpenStudy (anonymous):
what letter answer choice is the correct one,then?
OpenStudy (tkhunny):
You'll have to tell me that. Speak with confidence.
OpenStudy (anonymous):
b?
OpenStudy (tkhunny):
See that Question Mark? I was hoping you wouldn't use that. Is it B or isn't it?
OpenStudy (anonymous):
It's b.
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OpenStudy (tkhunny):
Notice how that's the only one even CLOSE to 40.
You might want to check the other side to verify: 12*(5/3) = ??
OpenStudy (anonymous):
Okay.
OpenStudy (anonymous):
let me calculate.
OpenStudy (anonymous):
its wrong.
OpenStudy (anonymous):
i got 20
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OpenStudy (anonymous):
oh, so each multiplied by 5/3
OpenStudy (tkhunny):
That's right. The ratio of the new figure's sides should be identical to the ration of thei original figure's sides.
24/12 = 2
B: 40/20 = 2
Notice how this test eliminated C and D but does NOT eliminate A.
24*(4/3) = 40
12*(4/3) = 20
Now THAT eliminates A. Only B is left.
OpenStudy (anonymous):
Ooooh. Wait. I was right?
OpenStudy (anonymous):
It was B!
OpenStudy (tkhunny):
Try not to be TOO SURPRISED when you get it right.
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