Question

В шкафу было 60 учебников,что составляет 40% имеющихся там книг.Сколько было книг в шкафу?

Answer 1

60 учебников - 40℅
х книг - 100℅

Отсюда х = 60*100/40=150;
Ответ: 150 книг

Answer 2

Пусть в шкафу было х книг. Составим уравнение по условию задачи:
0,4х=60
х=60:0,4
х=150.
Ответ: 150 книг.

Answer 3

Calculation of the Total Number of Books in the Cabinet

To find out how many books were in the cabinet, we can use the information given that there were 60 textbooks, which represents 40% of the total number of books in the cabinet.

Let's assume the total number of books in the cabinet is represented by x.

According to the given information, we have the equation:

60 = 0.4 * x

To solve for x, we can divide both sides of the equation by 0.4:

x = 60 / 0.4

Using a calculator, we can find that x = 150.

Therefore, there were 150 books in the cabinet.

Answer:

There were 150 books in the cabinet.