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the answer is 7.14285
It is: (117-78)/78 times 100 = 50% increase
The percentage of 78% of 219 = 100*(78% of 219) = 100*(219*78/100) = 219*78 = 17082%The percentage of 78% of 219 = 100*(78% of 219) = 100*(219*78/100) = 219*78 = 17082%The percentage of 78% of 219 = 100*(78% of 219) = 100*(219*78/100) = 219*78 = 17082%The percentage of 78% of 219 = 100*(78% of 219) = 100*(219*78/100) = 219*78 = 17082%
78*100/100=78
x = 78 Equation: x/100 = 78% Solution: x/100 = 78% x/100 = 0.78 x = 0.78 * 100 x = 78