What is 20/50 reduced to a smaller fraction?

2 answers:

6 0

~~20/50 in simplest form is 2/5.
~~20/50 can be reduced to many smaller fractions. Dividing the numerators and denominators with the greatest common factor (GCF) will result into the simplest form of the fraction. Factors that are not GCFs will result the fraction into a fraction equivalent to the other.
~Examples: 20/50 divided by 2 is 10/25. 20/50 divided by 5 is 4/10.

koban [17]3 years ago

3 0

2/5 is the answer to your question

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The weight of a radioactive isotope was 96 grams at the start of an experiment. After one hour, the weight of the isotope was ha

zimovet [89]

The starting weight of the radioactive isotope = 96 grams

Weight after one hour is half of the starting weight. So the weight of the radioactive isotope after 1 hour = 48 grams

After 2 hours the weight is half as compared to the weight after previous hour. So weight after 2 hours = 24 grams.

This means, after every hour the weight is being halved. The half life of radioactive isotope is one hour.

Since after every hour, the weight is being halved, the weight of the isotope can be modeled by an exponential equation.

So,

Initial Weight = W₁ = 96
Change factor = 1/2 = 0.5

The general equation of the sequence will be:

$\\ \\ W_{t}=96(0.5)^{t}$

Here t represents the number of hours. Using various values of t we can find the weight of the radioactive isotope at that time.

We can plot the sequence using the above equation. The graph is attached below.