Using proportions, it is found that the cost of the jersey in dollars is of $20.26.
A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.
Each dollar is worth 5.43 Brazilian real, hence the equivalent of 110 reais is given by:
110/5.43 = $20.26.
The cost of the jersey in dollars is of $20.26.
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