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August 3, 2015

Homework Help: MATHS

Posted by LARA on Tuesday, November 19, 2013 at 9:34pm.

24 1c coins are set out in a row on a table
Then every 2nd coin is replaced by a 2c coin
every 3rd coin is replaced by a 5c coin
every 4th coin is replaced by a 10c coin
every 5th coin is replaced by a 20c coin
every 6th coin is replaced by a 50c coin and every 7th coin is replaced by a $1coin
After all the exchanges have been carried out, what is the total amount left on the table?

The answer is $6.30

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