'satisfactory rate' is correct and usable in written English.
You could use it whenever you are discussing the degree to which a specific achievement or goal has been met. For example, "The business was able to achieve a satisfactory rate of customer retention last quarter."
The OBR's approach strangely begins by assuming that the UK economy will grow steadily at a satisfactory rate of close to 2.4% a year.
"For the economy to grow at a satisfactory rate, given current policies, it would be necessary for the still-low rate of saving to fall over time".
In addition, the ANN determined the structural performance with quite satisfactory rate.
Equidistributed sequences of Halton or Hammersley type provide consistent regression estimators with a satisfactory rate of convergence.
Primary treatment objectives are either to restore and/or maintain sinus rhythm or to achieve satisfactory rate control.
And it would provide individual retirement funds a safe depository and a satisfactory rate of return, while at the same time helping the housing industry and home buyers.
From September, the education watchdog will only give nurseries and pre-schools with acceptable standards either "good" or "outstanding" ratings – the "satisfactory" rating will be scrapped and replaced with "requires improvement".
No. What keeps this restaurant from a Good or Satisfactory rating is price.
In a 1999 review, William Grimes of The Times referred to it as "dreary slog" and awarded the restaurant a "satisfactory" rating.
WHEN I last reviewed the Olde Stone Mill, a handsome, historical landmark in Tuckahoe, I gave it a "satisfactory" rating.
A relatively new school (it opened in 2008), it was awarded a "satisfactory" rating from Ofsted last year.
