High School

Calculate the result of the following expression:

[tex]
\frac{20}{50} \div -(-)
[/tex]

Answer :

Let's solve the problem step-by-step:

1. Understand the expression: The expression given is [tex]\(\frac{20}{50} \div -=- \)[/tex] which seems a bit confusing since [tex]\(\div -=-\)[/tex] is not a standard mathematical operation. However, based on context, it can be interpreted as a division of the fraction [tex]\(\frac{20}{50}\)[/tex].

2. Simplify the fraction:
- The fraction [tex]\(\frac{20}{50}\)[/tex] can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 10.
- [tex]\(\frac{20 \div 10}{50 \div 10} = \frac{2}{5}\)[/tex].

3. Calculate the division:
- We find the decimal form by dividing the simplified fraction [tex]\(\frac{2}{5}\)[/tex].
- Divide 2 by 5 to get [tex]\(0.4\)[/tex].

So, the result of [tex]\(\frac{20}{50}\)[/tex] simplifies to [tex]\(0.4\)[/tex].