Find the probability that a randomly selected point within the square falls in the red shaded area

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

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The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64