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OpenStudy (anonymous):
0.7x+0.4(20)=0.5(x+20)
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OpenStudy (anonymous):
10
OpenStudy (anonymous):
do you just distribute
OpenStudy (anonymous):
0.7x+0.4(20)=0.5(x+20) 0.7x+0.4 * 20=0.5x+0.5 *20 0.7x-0.5x=0.5*20-0.4*20 0.2x=10-8 0.2x=2 x=2/0.2 x=10
OpenStudy (anonymous):
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OpenStudy (anonymous):
yes thank you
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OpenStudy (anonymous):
WELCOME
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