The stock of Company A lost 3.5% today to $79.13. What was the opening price of the stock in the beginning of the day?

The stock of Company A lost 3.5% today to $79.13.

The opening price of the stock in the beginning of the day (OP), would satisfy:

OP - OP x 3.5/100 = 79.13

<=> OP(1 - 3.5/100) = 79.13

 => OP = 79.13 x 100/(100 - 3.5) = 82 dollar

Hope this helps!

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the data of the detroit pistons in numerical order from least to greatest is 0.30, 0.37, 0.55, 0.62, 0.69, 0.72, 0.73, 0.75, 0.77, 0.78, 0.80, 0.81, 0.81, 0.83, 0.84, 0.89

the data of the miami heat in numerical order from least to greatest is 0.50, 0.50, 0.56, 0.57, 0.67, 0.72, 0.72, 0.72, 0.75, 0.75, 0.76, 0.81, 0.82, 0.90, 1.00, 1.00

the detroit pistons median : 1.52

the miami heat median: 1.47

the iqr of this data is 0.05