Gaweł mówi do Pawła: "Mam 3 razy więcej lat, niż ty miałeś wtedy, kiedy ja miałem tyle lat, ile ty m.... Question from @Zuzu14

August 2018 1 28 Report

Gaweł mówi do Pawła: "Mam 3 razy więcej lat, niż ty miałeś wtedy, kiedy ja miałem tyle lat, ile ty masz teraz. Kiedy osiągniesz mów wiek, będziemy mięli razem 112 lat". Ile lat ma Paweł, a ile Gaweł? Do zadania potrzebny układ równań :/. Proszę o pomoc, bardzo pilne zadanie na jutro!! z góry BARDZO dziękuję za pomoc

renatatech X - aktualny wiek Gaweł
y - aktualny wiek Paweł

x=3(y-(x-y))
x+2x-y=112

x=3(y-x+y)
-y=112-3x

x=3y-3x+3y
y=23x-112

4x=6y
y=3x-112

4x=6(3x-112)
y=3x-112

4x=18x-672
y=3x-112

-14x=-672/:-14
y=3x-112

x=48
y=3*48-112

x=48
y=32

Paweł ma 32 lata, a Gaweł ma 48 lat

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