Syeda has finished 20% of her math assignment the assignment includes 50 problems how many problems has syeda compleated

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

You just divide and you will find x