birdwatcher (birdwatcher) wrote,
birdwatcher
birdwatcher

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Тоже понравилось

Задача: This season, Lisa's lacrosse team has won 2/3 of their home games (games played at Lisa's school), but just 2/5 of their away games (games played at other schools). In total, Lisa's team has won 26 games out of 49 games they have played. How many home games has Lisa's team played? Explain how you solved the problem.

Сын решил:



(хоумскулерный сайт, из которого происходит задача, предполагает засабмичивание решений в латековском формате, отсюда такое оформление, тоже аутентичное)
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