Respuesta :
You multiply 0.2 by 50 to get the number of problems she has finished.
Let X= # of problems she has finished, we know the percent of the how much of the assignment she has finished which is 20%.
X/50=0.2---solve for X
Let X= # of problems she has finished, we know the percent of the how much of the assignment she has finished which is 20%.
X/50=0.2---solve for X