Предмет: Математика, автор: muzamelgulam93

Семья состоящая из мужа жены и их дочери студентки. Если бы зарплат мужа увеличилась вчетверо, общий доход семьи вырос бы на 165 %. Если бы стипендия дочери уменшилась вдвое, общий доход семьи сократилась бы на 1 %. Сколько процентов от общего дохода семьи составляет зарплата жены

Ответы

Автор ответа: maximklllll

0

4х-х=165

3х=165 х=55(отец)

х/2=1

х=2(дочь)

100-55-2=43% (жена)

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Литература, автор: prirez800

какие 3 события определилили судьбу и творчество фета. Срочно надо

6 лет назад

Предмет: Английский язык, автор: doradura4

SUMMATIVE ASSESSMENT TASKS
Summative assessment for the unit “Our health”
TASK 1. Read the text carefully and complete the
task below.
Mark sentences as True or False
Reading
Fat Freddy is a very unhealthy man. Last year he won the lottery so now he
doesn't need to go to work. His daily routine is something like this: he gets up
at about 11:30 am. and for his breakfast he eats chips and hamburgers. After
breakfast, be sits in his Rolls Royce and watches TV until 1 o'clock. Then he
goes in the car to the beer pub, which is 400 metres away from his house.
In the pub, he drinks a lot of beer bottles and usually eats a sandwich. When
the pub closes at 5pm, his driver drives him to the cinema. He watches films
until 8 o'clock. After that, the driver takes him to a restaurant where he cats
almost everything on the food menu including fast-food and drinks a large
bottle of champagne. The driver takes him home to bed at about 2 a.m.
Fat Freddy smokes approximately 40 cigarettes a day and this morning, as
usual; he looked very white. He couldn't sleep at night. In addition, his weight
is 102 kg now and he is overweight.
Freddy doesn't have a family because his habits cause serious health
problems. He wants to change his life, but he doesn't know how,

6 лет назад

Предмет: История, автор: hanasnasta11

коли почалася перша будова укріплень Харківської фортеці?

6 лет назад

Предмет: Алгебра, автор: Аноним

на 75 литров бензина уходит 1 литр масла,сколько нужно масла на 10 литров бензина?

10 лет назад

Предмет: Химия, автор: Анюта1911

вычислить количество СаСО3 В карбоната кальция,масса которого 80г

10 лет назад