A small boat sailed straight north out of a harbor in strong east wind (blowing from west to east). After sailing for 120 minutes, it ended up hitting a buoy 60^\circ60 ∘ to the north-east of the harbor. If the straight-line distance between the buoy and the harbor is 3 km, what is the speed of the east wind?

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

it is 10.6 according to my calculations

answer: (x+2) (x+3) are the binomials for your question : )

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