contestada

Over the course of five years a researcher sends 200 surveys by mail and receives 80 completed surveys back, In the next round of the research project the researcher wants to increase the number of surveys returned by 20. How many surveys should be sent out?

Respuesta :

I think it’s 100
80 is the amount of returned surveys and 80 plus 20 = 100
Hope this helps

Otras preguntas