Mientras un avión vuela hacia el Este a 120km/h, también es arrastrado hacia el norte por un viento de 45km/h. ¿Cuál es la velocidad resultante de avión?​

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

which statement about this sum is true? −245+2.7

ingenuity says that the answer is 2.7 m.