They were all found in the intestine of a tiger shark
It would depend on where you bought your coal. In local shops you can buy bags of coal in 10kgs and 25kgs. Coal delivered by a coalman is usually 50kg bag.
A bean bag mount is not the preferred way to mount your GPS in your car. Look instead for a more standardized adjustable mount, with several points of articulation.
Is bag a common or pro nou?
Bag is a common noun.
the average bag of coal cost about $10.99 in the year of 2011
Is bag a common or pro nou?
Name says it all, it's used to store Coal that has been mined.
they earn a bag of coal
A bag of coal
Unfortunately, there are so many GPS units that the BEST way is to contact the manufacturer of the GPS unit. The best way is to email them. If you cannot find a solution this way, the best alternative that I have seen is a Universal GPS Dashboard Bean Bag Car Mount from overstock.com. The GPS unit just sits in the bean bag which has a slip resistant base.
common
Not very common.