Michelle is building shelves for her room. She has a plank 137 inches long that she wants to cut into 7 shelves of equal length.
2 answers:
Answer:
19 inches.
Step-by-step explanation:
We have been given that Michelle has a plank 137 inches long that she wants to cut into 7 shelves of equal length. The plank has jagged ends, so she will start by cutting 2 inches off each end.
Since she cute 2 inches from each end, so she will cut 2*2 inches or 4 inches from both ends.
The length of plank left after cutting off jagged ends would be .
Now, we will divide 133 by 7 to find length of each shelf.
Therefore, the length of each shelf would be 19 inches.
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now, let's say, since by "t" hours they've covered 338 altogether, so, if the westbound train has covered say "d" miles, then the eastbound train would have covered the slack from 338 and d, that is, "338 - d".
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so... one train goes west and the goes the opposite way... alrite... so... notice, by the time 338 miles have been covered by both, it will have been "t" hours, and whatever "t" is, is the same amount of time the westbound train has been running as well as the eastbound train has been running.
now, let's say, since by "t" hours they've covered 338 altogether, so, if the westbound train has covered say "d" miles, then the eastbound train would have covered the slack from 338 and d, that is, "338 - d".
so, 2hours and 36 minutes.