birdwatcher: (Mr. Twister)
[personal profile] birdwatcher
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)
If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting

If you are unable to use this captcha for any reason, please contact us by email at support@dreamwidth.org