180 is the speed of the motorboat. I don't know the speed of the current.
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120÷4=30
30×6=180
Answer:
$11.99
https://www.percent-off.com/_30_%25+off_39.98_
(A calutor for you to use I used it to help my mom shop)
Using the midpoint formula we get:
(x,y)=(0+5/2, 0+12/2) or (5/2, 6) as the midpoint.