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OpenStudy (anonymous):
helpp. Solve the proportion. 10/a = 15/30
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OpenStudy (anonymous):
Cross multiply: 10*30 = 15*a 300 = 15a 300/15 = a ? = a
OpenStudy (anonymous):
a=20?
OpenStudy (anonymous):
Exactly. You're awesome! <3 :D
OpenStudy (anonymous):
Thankyou !!!
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