Предмет: Алгебра, автор: rakitina03

Цена сувенира повысилась в 240 р до 300 р. На сколько процентов повысилась цена сувенира?

Ответы

Автор ответа: NeverLove

Составим пропорцию:
240 рублей - 100%
300 рублей - х%
Прямопропорционально, поэтому решаем как икс (х)
240х = 300*100
240х = 30000
х = 30000 : 240
х = 125 %

125% - 100% = 25%
ОТВЕТ: ПОВЫСИЛАСЬ НА 25 %

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: artur24042009

Даю 33 балла Пж составьте 10 разных по смыслу вопросов к тексту
(, например 1.who are androcles??)

Androcles was a slave. He ran through the forest. He wanted hide among high trees. He wanted to run far from the village where he lived and was a slave. He thought his life was very hard, in fact it was impossible. Androcles wanted to save his life in the forest. Suddenly he saw a big lion. Nobody else was seen near him. Aneles became afraid but understood that the lion couldn't do him androcles. The lion was breathing hard. He wanted to show Androclesthat something was wrong with his paw.' The lion couldn't speak the language of people but he wanted to say: "Save me! Protect me! Help me!" Androcles looked at the lion's paw and discovered a large thorn in it. It was hidden deep in the paw. Androcles took it away. The lion was happy. They became friends and the lion brought him food every day. But one day the Emperor's" people caught both Androcles and his friend the lion. They brought them to Rome and separated them. They didn't give any food to the lion. He became very hungry and then they gave him Androcles to eat. But the lion was his real friend. He didn't kill Androeles. He was happy to see his friend. The Emperor couldn't understand it. Androcles was brought to him and he told the Emperor his story. The Emperor gave food the lion and let them both go away

6 лет назад

Предмет: История, автор: mstyle11

Особенности индуизма

6 лет назад

Предмет: Физика, автор: peep1976

Описати всі перетворення механічної енергії які відбуватимуться якщо ви з 9 поверха опуститесь за 1300м пройде пішки,10км проїдете автобусом,а потім пішки підиметесь на пагорб заввишки 10м

6 лет назад

Предмет: Математика, автор: titovivan62

сколько минут понадобится чтобы записать подряд все числа от 5 до 105 если на запись каждой цифры расходуется 1 секунда

10 лет назад

Предмет: Литература, автор: Romanof1977

сочинить сказку про лису для 2 класса

10 лет назад