Предмет: Математика, автор: aigerima2002

решите 166 прошу)))заранее спасибо)

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Автор ответа: RiffleShuffle

u = const
t = $frac{1}{2}$ = 0.5 часов
s = 3.5 км
u = $frac{s}{t}$
$frac{3,5}{0,5}$ = 7 км/ч.
u = 7 км/ч
за 1 час они пройдут = 7км/ч*1ч=7км.
за 2,5 часа они пройдут = 7 км/ч*2,5=17,5 км.
за 4 часа они пройдут = 7км/ч*4=28км.

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