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OpenStudy (anonymous):
solve the proportion. 10/a = 15/30
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jimthompson5910 (jim_thompson5910):
10/a = 15/30 10*30 = 15a 300 = 15a 15a = 300 ... a = ???
OpenStudy (anonymous):
i got 0.05
OpenStudy (anonymous):
so a = 5 correct ?
jimthompson5910 (jim_thompson5910):
no
jimthompson5910 (jim_thompson5910):
15a = 300 a = 300/15 a = ???
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OpenStudy (anonymous):
a=20
OpenStudy (anonymous):
10/a= 15/30 30*15=300 300/15= 20 a=20 hope i helped
jimthompson5910 (jim_thompson5910):
a = 20 is correct
OpenStudy (anonymous):
thanks
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