Diana's dad has recently constructed his house in Ecatepec. He has bought the land for $18679, paid $412369 for the building material and $669477 as construction. He has also paid $60553 as government taxes. What was the total cost of the house?

Michael has two sheets of cloth. One sheet is 570 cm wide and the other sheet is 150 cm wide. He wants to divide the sheets into strips of equal width without wasting any cloth such that they are as wide as possible. How wide should he cut the strips?

An arithmetic sequence is a sequence of numbers a_{1}, a_{2}, a_{3},... where a_{n} - a_{n-1} is the same value for all n. For example 2, 4, 6, 8, 10,....is such a sequence where the difference between adjoining numbers is 2. Given a, b, c, d and e are consecutive members of such a sequence, and that a + b + c + d + e = 75, what is the value of c?

The parking lot of the theater has a capacity of 1943 cars. On Saturday, the ratio of the empty parking spots to occupied parking spots is 26:41. The number of cars that were parked there on that day is: