25 cm of ribbon at £2.20 per metre what is the cost

0.55 pence or quid per 25 centimeters as if you multiply it by 4 it would be 2.20 pound because 1 metre is 100 centimeters after i divide 100 by 25 i get 4 which would be 1/4 which i would then multiply 1/4 x 2.2 pound 

2.4+3.2t. you get the answer by adding the ones with variables and ones without