Underline the mistakes and correct them, as in the - вопрос №9923961 от федя172 19.03.2020 14:33

Question

Другие предметы: Underline the mistakes and correct them, as in the example. 1 What would you rather to do, go to the cinema or stay in and watch a DVD?

федя172 · Answer

Пусть это х и утогда 0,3х=2/3 у и х-у =33то х=20/9у а значит 20/9у-у=33 11/9у=33 у=27 отсюда х=60 ...