Предмет: Математика, автор: ivanbarsukov2

Баба Яга,Кощей Бессмертный, Змей Горыныч и Соловей-разбойник выиграли в лотерею 18000р. Баба Яга выиграла 24% этой суммы, Кощей Бессмертный- 125% того ,что выиграла Баба Яга, Змей Горыныч- 4/9 того, что выиграл Кощей, а остальное- Соловей-разбойник. Сколько рублей выиграл Соловей-разбойник?

Ответы

Автор ответа: snapp1

0

Всего - 18000р
Яга - 24%
Кощей - 125 от Яги
Змей - 49 от Кощея
Соловей - ост

18000 - 100%
х - 24%
х = 18000*24 / 100 = 4320руб (Яга)

4320 - 100%
у - 125%
у = 4320*125 / 100 = 5400руб (Кощей)

5400*(4/9) = 2400руб (Змей)

Соловей = всего - сумма яги кощея и змея = 18000 - (2400+5400+4320)
18000 - 12120 = 5880руб( Соловей)

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