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The legal definition of a monopoly is, any firm within an industry which possesses more than 25% market share. This can give an insight into how a 'monopoly' firm behaves, compared to firms in other forms...

As we are told the number of girls that are in the school, our first step should be to calculate the number of boys in the school through a simple subtraction (1200-575 = 625). After this we are told that...

X+2/5X = 63 or 63 = 140%

First we need to understand that the original price (X) has been increased by 40%. Hence, by 2/5 (40/100 = 40%) of its original value, in other words, 2/5X.

To find ...

Notice that the square root of 8 can be simplified: 4 / (sqrt(4) * sqrt(2) + 4) = 4 / (2 * sqrt(2) + 4) Divide top and bottom of the fraction by two: 2 / (sqrt(2) + 2) Rationalise the denominator: (2 / (s...

Well, consecutio temporum probably is one of the thoughest concepts to deal with for italian foreign learners. As the world says, consecutio temporum means "time consequence". With this we mean ...