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Makovka662 [10]
3 years ago
11

David is rowing a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at a speed of 6 miles

per hour, and his speed decreases at a rate of 1.5 miles per hour. Which equation gives the speed of the boat after David has rowed for x hours? A- y=4+1.5x B- y=4-1.5x C-y=6-1.5x
Mathematics
2 answers:
m_a_m_a [10]3 years ago
5 0
The answer is <span> B- y=4-1.5x 

</span><span>David is rowing a boat upstream, so the river is slowing him down. Thus, the net speed is 6 mph - 2 mph = 4 mph.
Since David's speed </span><span>decreases at a rate of 1.5 miles per hour, after x hours his speed y will be:
y = 4 - 1.5 x</span>
vovangra [49]3 years ago
5 0

Answer:

y = 4 - 1.5 x

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