Предмет: Математика, автор: lavofa

помогите решить, для 4 класса, без х можно как то решить,два туриста идут по маршруту с одинаковой скоростью первый шел 8 часов а второй 5 часов. первый турист прошел на 15 км больше, чем второй. сколько километров преодолел каждый турист

Ответы

Автор ответа: Wani4kaa
2

Ответ:

40км; 25км.

Пошаговое объяснение:

1) За три часа разницы первый турист прошагал 15км. Найдем, с какой скоростью он шагал:

15 : 3 = 5 (км/ч)

Посколько оба туриста шли по всему маршруту с одинаковой скоростью, значит, с такой же скоростью шёл второй турист, и с такой же скоростью шёл первый турист первые 5 часов.

2) Найдем расстояние, пройденное первым туристом за 8 часов со скоростью 5км/ч:

8 * 5 = 40 (км)

3) Найдем расстояние,пройденное вторым туристом за 5 часов со скоростью 5км/ч:

5 * 5 = 25 (км)

По условию, первый турист преодолел на 15км больше, чем второй:

40 - 25 = 15 (км)

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