What is 2 thirds plus one fifth?

What is 1 over 3 plus 1 over 5 over 2 time 1 over 2? Carmen has fifty-four marbles aThird of them r blue How many of the marbles are not blue? What is a perpetual calendar? What is equivalent to 5.3? Is y-83 plus x7 linear or nonlinear? What is 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times? What is the equation to figure out what grade you need on a final? What is the payoff for 7 numbers in keno? How many odd days are in 100years? What happens when you multiply a square root by itself? How many square feet in 100x120? What the world looks like? How many inches are in 48 cups? Why a fraction whose numerator is the same as its denominator to equal to 1? 180 percent of what number is 810? How do you write 230 in scientific notation? How many millimetres are there in 593 feet? What is the formula for position with constant velocity? What is positive 7 minus negative 6 equal? What are the predicted lotto numbers?