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A boat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours.
1 answer:
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<u>Answer:</u>
So all the possible solutions are:
<u />
<u>Solution Steps:</u>
<em>First you need to solve the real inequality to understand how to find the rest of the possible equations. </em>
<u>Add 78 to both sides:</u>
- <u />
Cancels Out
<em>So now we know the real answer, but it ask for all possible answers. </em>
(Means anything larger than 300 when you plug it into x - 78 > 300.)
<u>Numbers that are greater than 378:</u>
1.) (False)
2.) (True)
3.) (False)
4.) (False)
5.) (True)
6.) (True)
7.) (False)
8.) (True)
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