0.18 because the third decimal place is less than 5
Answer:
$6.30 each bottle
Step-by-step explanation:
What you do is you take $4.50 and times it by .40
<em>4.50 x .40 = 1.80</em>
<em>1.80 + 4.50 = 6.30</em>
$6.30 each bottle
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