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Lin’s father is paying for a $20 meal.
He has a 15%-off coupon for the meal.
After the discount, a 7% sales tax is applied.
What is the total amount Lin’s father pay for the meal?
15% of $20 is $3 so subtract that from $20 and u get $17. Then 7% of $17 is $1.19 so subtract that from $17 and you get $15.81, which is the amount Lin’s father would pay for the meal in the end.
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