Para hacer 600 m de una obra, 30 obreros han trabajado 12 días a razón de 10 horas diarias. ¿Cuántos días necesitaran 36 obreros para hacer 900 m de la misma obra trabajando 6 horas diarias?

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.