Half of 67 is...
33.5 OR it could be...
34/33
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117
26.57 inches
Yes because half is 33.5
½ × £134 = £(134/2) = £67
Length of the whole trip = D kmUnknown speed for the second half = X km/hrTime for the first half = (D/2)/67 = D/134 hoursTime for the second half = (D/2)/x = D/(2x) hoursTotal time for the trip = (D/134) + (D/2x) = D/861/134 + 1/2x = 1/862x/134 + 1 = 2x/86x/67 + 1 = x/43x(1/43 - 1/67) = 1x = 1 / (1/43 - 1/67) = (43 x 67) / (67 - 43) = 2881/24 = 120.042 km/hr (rounded)=============================================Check:(1/134) + (1/240.084) = (240.084 + 134) / (240.084 x 134) = 1/86 QED yay !