The standard tip at a buffet is 10% of the bill.
15-20 percent is the standard tip for services rendered.
screen tip
A standard tip is usually about 15 percent, so 30 would be about right.
two hundred kph
Most standard settings vary between 95psi to 140psi. This depends on what tip size @ angle is being used. Please note that tip size/angle is NOT the only deciding factor!
Around 15 to 20 Percent.
That is a typical snooker cue.
The standard amount is 10 to 15%.
It is standard to tip 15% for any type of service provided, however in this case it is most appropriate to tip $5.00-$10.00. It depends on what you can afford, since it is a volunteer service.
Tipping is usually based on service. The standard is 20% for good service. If the service is excellent, one could tip 25%. But, if the service was poor, one may choose to tip less or even not leave a tip at all.
In the standard game the line, behind which the player should stand is 2.37 m(7 ft 9¼) for steel tip, soft tip is 8 feet even. This is the standard, recognized by the World Darts Federation.