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valentina_108 [34]
3 years ago
13

If the rate of the boat in still water is 27 mph, and the rate of the current of a river is x mph, what is the rate of the boat

in each case? a) The boat is going upstream (that is, against the current, which slows the boat down.) b) The boat is going downstream (that is, with the current, which speeds the boat up.) a) The rate of the boat when the boat is going upstream is (_) mph. b) The rate of the boat when the boat is going downstream is (_) mph.
Mathematics
1 answer:
BigorU [14]3 years ago
6 0

Answer:

a)27-x

b)27+x

Step-by-step explanation:

when a boat travels in the same direction as the current is downstream-->speeds the boat. If the rate of the boat in still water is 27 mph and the rate of the current of a river is x mph, the rate of the boat when the boat is going downstream is 27+x

when a boat travels against the current is upstream-->slow down. If the rate of the boat in still water is 27 mph and the rate of the current of a river is x mph, the rate of the boat when the boat is going upstream is 27-x

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