Предмет: Математика, автор: 870136312616

В первый день на продажу со склада вывезли 45% картофеля, а во второй день -20% картофеля. В третий день вывезли оставшиеся 77 т картофеля. Сколько всего тонн картофеля было на складе?

Ответы

Автор ответа: vmaluga2011
0
100% - всего картофеля
100%-45%-20%=35% составляют 77 т
77:35%*100%=220 (т)
Ответ: всего было 220 т картофеля
Похожие вопросы
Предмет: Английский язык, автор: sashlord5
1) Найди и справь ошибки.

Mary has got a ballerina. It's my ballerina. - _________________________

Mike and Mary have got a puppy. Her puppy is brown. - _______________

Dad and I have a hobby. His hobby is playing football. - _______________

You live in a big house. My house is big. - ___________________________

Nick has got a bike. It is your bike. - _______________________________

I am a pupil. This is his school. - __________________________________

The cat has got kittens. They are our kittens. - ________________________

2) Заполни пропуски подходящими местоимениями: my, her, her, her, our, their, its, she, his, they.

This is Ann. ____ has got a small family. _____ mummy is a postman. ____ name is Mary. ______ daddy is a doctor. _____ name is Tim. Ann has got two sisters. ________ names are Pam and Lulu. _______ have got a cute puppy. _______ name is Blackie. Ann always says: “I love ______ family. _______ family is friendly”.

3) Прочитай предложения и выбери правильную форму местоимений.

You have got a cat. This is (my, his, your) cat.

She has got a flower. This is (my, her, our) flower.

We have got pens. They are (their, my, our) pens.

I have got a big family. This is (our, its, my) family.

He has got a little brother. This is (his, her, its) brother.

The cat has got toys. They are (her, its, his) toys.

They have got books. They are (its, our, their) books.

4) Замени существительные подходящими формами притяжательных местоимений.

Ann's - _______________ daddy's - ________________

my friends' ____________ dogs' - __________________

Jim's _________________ mummy's - ______________

Ссылка на приложение
http://onelink.to/ykbv7f
Предмет: Английский язык, автор: voin7dorog