3 years ago

Please help I’m confused

1 answer:

7 0

You would combine the like terms. So 6 plus 2 equals 8. Then just add a "y" to the end of the 8, because of the fact that the 6y and 2y are like terms.

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1.8 mph

Step-by-step explanation:

Speed of the steamer in still water is 18 mph.

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1. The steamer going downstream traveled the distance between two ports in 3 hours. Traveling downstream the current "helps" the steamer, then the speed is 18 + x mph.

The distance traveled downstream = 3(18 + x) miles.

2. The steamer going upstream traveled the distance between two ports in 3 hours 40 minutes that is $3\frac{2}{3}$ hours. Traveling upstream the current "interferes" the steamer, then the speed is 18 - x mph.

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Solve this equation:

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