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Mathematics, 23.12.2020 14:20 kquestion

The exchange rate between the American dollar ($) and the British pound (£) was $1.60= £1. (a) Denise changed £400 into dollars. How many dollars did she receive?
(b) To change the money, the bank charged a fixed amount of £3 plus 2% of the number of pounds changed. Calculate the amount the bank charged Denise to change her £400.

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