En un puesto 2 hot dogs y 3 refrescos cuestan $70. El precio de 4 hot dogs y 2 refrescos es de $100. Determina el precio de un hot dog y el precio de un refresco. (Considera la variable a los hot dogs y la variable a los refrescos).

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.