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prohojiy [21]
3 years ago
9

Please help with this question! I'm stuck on it and it's due on the 14th!

Mathematics
1 answer:
shtirl [24]3 years ago
4 0
Josh did not follow the order of operations , he should have done 8x divided by 2 first but instead he did 4x- 8x 

The correct solution...

4x-8x / 2 

4x -4x
0 
The solution should be zero (0)

Hope it helps!
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James is kayaking. He can row 3 mph in still water. If he can travel 6 miles downstream in the same amount of time that he can t
nekit [7.7K]

Answer: the speed of the current is 0.6 mph

Step-by-step explanation:

Let x represent the speed of the current.

James is kayaking. He can row 3 mph in still water. If he can travel 6 miles downstream. Assuming he went with the current, it means that his total speed while travelling downstream is (3 + x)

Time = distance/speed

Time taken to travel downstream is

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In the same amount of time, he can travel 4 miles upstream. Assuming he went against the current, it means that his total speed while travelling downstream is (3 - x). Time taken to travel upstream is

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Since the time is the same, then

6/(3 + x) = 4/(3 - x)

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4x + 6x = 18 - 12

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x = 0.6 mph

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