How much change would you receive from $20.00 if you bought a CD for $12.99 and paid 7% sales tax?

1 Answer
Tony B
Mar 17, 2016

The change is#" "$6.10#

Explanation:

Cost is #100%+7% = 107% = 107/100#

So this expressed as money would be

#107/100xx$12.99 =$13.8993 -> $13.90# to 2 decimal places

The change is:
#" "$20.00#
#" "underline($13.90) -#
#" "$6.10#

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