Al comprar 5kg de arroz y 6kg de frijol se pagaron 132 pesos. Si se compran 6kg de arroz y 7kg de frijol, se pagan 157 pesos. ¿Cuánto cuesta el kilo de frijol?

Iwish i knew the answer but i don’t but someone will come and us

Hmmm i had this before , give me a sec

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .