Help pls help!!!!!!!!! Ill mark brainliest!
At the end of their shift on Black Friday, two employees are tasked with folding 1,000 t-shirts that frantic customers left in a pile. The first employee, who folds at a rate of 10 shirts per minute, works by himself for 10 minutes. At that point, the second employee, who folds at a rate of 8 shirts per minute, joins him. What percent of the total number of shirts does the first employee fold?