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What is 9/20 as a decimal and percent?

Sagot :

TheBlueFox

Answer: 45%

Step-by-step explanation: To write a fraction as a percent, first remember that a percent is a ratio of a number to 100. If we want to write 9/20 as a percent, we will need to find a fraction equivalent to 9/20 that has a 100 in the denominator. We can do this by setting up a proportion.

[tex]\frac{9}{20}[/tex] = [tex]\frac{n}{100}[/tex]

Now, we can use cross products to find the missing value.

900 = 20n

÷20   ÷20   ← divide by 20 on both sides

  45 = n

Therefore, 9/20 is equal to 45 over 100 or 45%.

___________________________________________________

Answer: 0.45

Step-by-step explanation: In order to write 9/20 as a decimal, we need to find a fraction equivalent to 9/20 with a 100 in the denominator. Notice that if we multiply both the numerator of 9/20 by 5, we get the equivalent fraction 45/100 which we can now write as a decimal. Remember that the hundredths place is two places to the right of the decimal point. So, we can write 45/100 as 0.45.

Therefore, 9/20 is equivalent to 0.45.

donovangragg1

Answer:

That is 18/40, or 9/20. Write 9/20 as a percent. Use equivalent fractions: 9/20 = 45/100 = 45%.     decimal form:0.45

Step-by-step explanation:

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