what do letters and numbers represent

[johnsam38]

if ,10 y in a d = 10 years in a decade. what does
7 s on a fpc. mean
240 op in a p. mean
64 s on a cb . mean
10 g b h o tw. mean
10 ds mean
13 =abd mean
10 li mean

[bookwormer]

64 squares on a chess board
10 downing street
240 old pence in a pound

[jane mark 2]

7 sides on a fifty pence coin
240 old pence in a pound
64 squares on a hess board
13 a bakers dozen

[jane mark 2]

10 green bottles hanging on the wall

[valerieb1254]

10 Little Indians ( Movie )

[johnsam38]

great thank a lot all we now need is 10 li possible 10 little indians.

[johnsam38]

you beat me to it valerieb 1254