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Oduvanchick [21]
4 years ago
12

Sandra walked to the top of a hill at a speed of 2 km/h, turn around and walked down the hill at a rate of 4 km/h. the whole tri

p took 6 hours. how many kilometres is it to the top of the hill?
Mathematics
1 answer:
hichkok12 [17]4 years ago
5 0
D is distance. 
<span>d/2 + d/4 = 6 </span>
<span>3d/4 = 6 </span>
<span>d = 8 km </span>

<span>Check: at 2 k/h, 4 hours; </span>
<span>at 4 k/h, 2 hours; </span>
<span>total, 6 hours. hope i helped</span>
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