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Skill 3 of 13
In Progress

Multiplication & algebra

Mathematical skill ●●○○○

You have to take a detour to work this morning and ‘that trip is three times longer’ (three times the usual route):

s_\mathrm{detour}=3\;s_\mathrm{usual}

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References:

  1. Online Etymology Dictionary’ (dictionary), Douglas Harper, www.etymonline.com