Answer:
$11.32 = Total amount
$1.88 = Tip amount
Step-by-step explanation:
$8.72 x 0.0825 = 0.7194
$8.72 + 0.7194 = $9.44
20% x 9.44 = $1.88
$9.44 + $1.88 = $11.32
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