1 in roman numerals is: I.
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The deci- (d) prefix means one tenth (1/10 = 0.1) → 1 dl = 0.1 l → 10 × 1 dl = 10 × 0.1 l = 1 l → there are 10 decilitres in 1 litre.
One half can be written as 1/2.
L = 50
1 l is equivalent to 1000 ml i.e. 1 l = 1000 ml. What is the answer to 1 l/1000 ml? Answer is 1, so we can say 1 l/1000 ml = 1. 2.5 ml = (2.5 x 1) ml And in place of 1 we can write 1 l/1000 ml and it becomes: 2.5 ml = (2.5 x 1 l/1000 ml) ml = 0.0025 l.(Unit ml cancels out).
V=1/3(l+wl) v=1/3l(1+w) 3v=l(1+w) 3v/(1+w)=l