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LUCKY_DIMON [66]
3 years ago
8

Martinique an antwan had their bill at a restaurant reduced by $6 because of a special discount. They left a tip of $9.80,which

was 20% of the reduced amount. How much was their bill before the discount.
Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

  $55

Step-by-step explanation:

Let b represent the original bill. The problem statement tells us ...

  20% × (b -6) = 9.80

Dividing by 20% gives ...

  b -6 = 49.00

  b = 55.00 . . . . . . . add 6

Their bill before the discount was $55.00.

___

<em>Comment on the tip</em>

It is generally considered better form to tip on the basis of the original bill before coupons and discounts.

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