Two 20p coins and one 5p coin make 45p.
1 tenth of 45p = 4.5p
It is 0.45
It is 45/100 and you can simplify that fraction if required.
71 cents as of February, 2012.
They are about 45p a packet these days.
In the UK, about 40 to 45p.
One fifth plus one fifth is two fifths (2/5).