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In 1c(i) Converting EC$1 in TT$. NB. (Eastern Caribbean{EC} and Trinidad and Tobago{TT})
In 1c(ii) Converting US$80 in EC$. NB. (United States {US})
In 1c(iii) Converting TT$648 in US$
Taken from CXC CSEC Math Exam Paper 2 Question 1c May 2012.