George found that he blinked 85 times in 15 minutes. At this rate, how many minutes passed during 51 blinks?

asked May 28, 2015 152k views

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$Proportion:\\85\ -\ 15\\51\ -\ x\\\\85x=15*51\\85x=765\\x=9\\\\51\ blinks\ takes\ 9\ minutes$

BGStack answered Jun 4, 2015

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