Si el sueldo de tu papá es 3 veces más que el sueldo de tu hermana y asu vez el sueldo de su mamá es el triple del sueldo de tu hermana indica cuánto gana tu hermana

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?