Предмет: Математика, автор: успенка

В первый день турист прошел 7,2 км во второй день-150% того что в первый день. Сколько километров прошел турист за три дня если во второй день он прошел 90% того что в третий?

shepetyknasty: 31 км

Ответы

Автор ответа: Франкештейн02

7.2÷100=0.072 ;0.072×150=10.8;10.8÷100=0.108. 0.108×90=9.72.
7.2+10.8+9.72=27.72
Ответ:27.72.

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