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Brendan bought an iced tea that cost $4.06 plus 7% sales tax. If Brendan left an 18% tip on the $4.06, how much in total did he pay?

Sagot :

alishaadil109

Answer:

Step-by-step explanation:

18% tip in $=18/100 * $4.06

$0.7308

7% sales tax in $= 7/100 * $4.06

$0.2842

Total amount he paid= $0.7308+$0.2842+$4.06

$5.07500

sqdancefan

Answer:

  $5.07

Step-by-step explanation:

The amount of tax was ...

  7% × $4.06 ≈ $0.28

The amount of tip was ...

  18% × $4.06 ≈ $0.73

The total bill, with tax and tip, was ...

  $4.06 +$0.28 +$0.73 = $5.07

Brendan paid $5.07 in total.

_____

Additional comment

The tax and tip are figured on the same base amount, so their percentages could be added. When you do that, you compute the total to be ...

  $4.06 × (1 +7% +18%) = $4.06×1.25 = $5.075

Ordinarily, this would be rounded up to $5.08. However, the 7% tax and the 18% tip are both rounded down to the nearest cent, so the end result is $5.07, not $5.08.

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