Since 1 Mexican Peso is equal to 0.04496003774213243 Saint Helena Pounds, we could say that n Mexican Pesos are equal to 0.04496003774213243 times n Saint Helena Pounds. In other words, we could use the following formula:
Saint Helena Pounds = Mexican Pesos x 0.04496003774213243
For example, let's say that we want to convert 2.0 Mexican Pesos to Saint Helena Pounds. Then, we just replace Mexican Pesos in the abovementioned formula with 2.0:
Saint Helena Pounds = 2.0 x 0.04496003774213243
That is, 2.0 Mexican Pesos are equal to 0.08992007548426487 Saint Helena Pounds.