Предмет: Математика, автор: Аноним

Велосипедисты проехали в первый день 168 км, во второй- в 3 раза меньше, а втретий день- на 20 км больше, чем во второй. Сколько километров проехали велосипедисты за три дня?

Ответы

Автор ответа: QuadRat
0

Первый день - 168

Второй 168/3 = 56

Третий 56+20 = 76

 

За три дня = 168+56+76 = 300 км

 

Ответ: 300 км. 

Автор ответа: Svet1ana
0

I день - 168 км

II день - ? км, в 3 раза <, чем в I (стрелка от II к I)

III день - ? км, на 20 км >, чем во II (стрелка от III ко II)

Решение:

1) 168:3=56 (км) - проехали велосипедисты во II день.

2) 56+20=76 (км) - проехали велосипедисты в III день.

3) 168+56+76=300 (км)

Ответ: 300 км проехали велосипедисты за три дня.

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