Question 826313
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s = d/t
d = s*t
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x = time of return trip
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out:
d = s*t
d = 207(x + 2)
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return:
d = s*t
d = 227x
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207(x + 2) = 227x
207x + 414 = 227x
20x = 414
x = 414/20
x = 20.699999999999999
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answer:
the return trip was 20.7 hours, or 20 hours and 42 minutes
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