Un granjero cría pavos y gallinas y, en un fin de semana vende 12 pavos y 15 gallinas por 255 soles ¿Cuánto cuesta cada gallina, si el precio de un pavo es tres veces la de una gallina?

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle. sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

Which of the following are accepted without proof in a logical system? check all that apply.

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students