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OpenStudy (anonymous):
What is the solution the proportion? 9 4 - = - x 12 A. 13 B. 27 C. 3 D. 17
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OpenStudy (anonymous):
WILL MEDAL!
OpenStudy (yanasidlinskiy):
Never "cross multiply". It is utterly silly and useless. Simply solve for the variable. 9/x = 4/12 Simplfy where possible 9/x = 1/3 x cannot be zero, so multiply by that. 9 = x/3 Multiply by 3. x = 27 Done!
OpenStudy (anonymous):
Thank you so much!:D
OpenStudy (yanasidlinskiy):
No problem!:) Anytime!:)
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