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Glen'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. Without the tip, how much does his father owe?

Respuesta :

We start with the $20 bill. Applying a 15% discount,

[tex]20\cdot0.85=17[/tex]

After the discount, $17 dollars are owed. Now, applying a 7% tax,

[tex]17\cdot1.07=18.19[/tex]

This way, the father owes $18.19

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