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OpenStudy (anonymous):
Solve the proportion using cross products. 18/20 = k/100 99 122 3.3 2.9
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OpenStudy (anonymous):
Ok, divide 100 / 20.
OpenStudy (anonymous):
5
OpenStudy (anonymous):
Ok, so 20 was multiplied to 5 to get 100, so multiply 18 to 5 and see what you get.
OpenStudy (anonymous):
90
OpenStudy (anonymous):
Correct! So that's your answer!
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OpenStudy (anonymous):
Wait a second...
OpenStudy (anonymous):
It's not a choice... D:
OpenStudy (anonymous):
The answer is 90 tho.
OpenStudy (anonymous):
Ikr?
OpenStudy (anonymous):
@PewdiepieClubTwitter What are you choices?
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OpenStudy (leader):
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