At the grand canyon it is 9 3/5 kilometer walk from the bright angel trailhead to plateau point. elena starts at the trailhead, walks to plateau point, and comes back. she rests after walking 12 1/3 kilometers. how far is she from the bright angel trailhead?

Step-by-step explanation:

The total distance from the bright angel trailhead to plateau point is 9 3/5 kilometer. Converting 9 3/5 kilometer to improper fraction, it becomes 48/5 kilometers.

Elena starts at the trailhead, walks to plateau point. This means she covered a distance of 48/5 kilometers on reaching the plateau point.

While coming back, she rested after walking 12 1/3 kilometers. Converting 12 1/3 kilometers to improper fraction, it becomes 37/3 kilometers. It means that she has walked past the bright angel trailhead.

Her distance from the bright angel trailhead would be

37/3 - 48/5 = (185 - 144)/15 = 41/15 kilometers = 2 11/15 kilometers

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maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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