Suppose the amounts presented here are basic financial information (in millions) from the 2017 annual reports of Nike and adidas.

		Nike		adidas
Sales revenue		$ 20,161		$ 9,941
Allowance for doubtful accounts, beginning		84.6		108
Allowance for doubtful accounts, ending		120		133
Accounts receivable balance (gross), beginning		3,128		1,797
Accounts receivable balance (gross), ending		3,243.0		1,611

(a)

Calculate the accounts receivable turnover for both companies. (Round answers to 1 decimal place, e.g. 12.5.)