Question

38 - 100% 30 - ?% Помогите пожалуйста.

Answer 1

30:100*38=0,3*38=11,4

Answer 2

Пусть неизвестное будет x. По свойству пропорции:
$\frac{38}{30} = \frac{100}{x} \rightarrow 38x=30*100 \\ x= \frac{3000}{38} \\ x\approx 78.9$

Ответ: 78.9%

Answer 3

Calculation of 38 - 100% + 30 - ?%

To calculate the expression 38 - 100% + 30 - ?%, we need to determine the value of the missing percentage. Let's break down the calculation step by step:

1. Start with 38. 2. Subtract 100% from 38. When subtracting a percentage, we can convert it to a decimal by dividing it by 100. So, 100% is equal to 1. Subtracting 1 from 38 gives us 37. 3. Add 30 to 37, resulting in 67. 4. Finally, subtract the missing percentage from 67.

Unfortunately, the search results did not provide a specific value for the missing percentage. Therefore, we cannot determine the exact result of the expression without knowing the value of the missing percentage.