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Из общей суммы потратили 2/5 осталось 30 рублей. сколько было?

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mixpix
mixpix
4,5(69 оценок)
30: (2/5)=20 рублей потратили 20+30=50 рублей было ответ: 50 рублей
mksmsslvp0b481
mksmsslvp0b481
4,8(13 оценок)
30 р=3\5 следовательно, что 1\5=10р 10*5=50
1TeD
1TeD
4,7(33 оценок)
1. we have just come home but our children came home an hour ago. 2. i have already come from school. now i am having dinner. 3. when did it stop raining? - it stopped raining two hours ago. 4. did you sent him a telegram last week? 5. she has never driven a car before. 6. he has read the text and now he can retell it. 7. jane wasn't at the cinema this week. 8. don't you know who has opened the door? 9. five years ago he was a typist. 10. when did he see you? - he saw me this week. 11. it's the best thing he has ever made. 12. where have i put my bag? i can't find it. 13. has somebody telephoned me? — your mother telephoned you there times this morning. 14. i am happy. i have just received a telegram from my friend. 15. when did they move to a new flat? - they moved there last month.

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