What is 3 9/10 as a percent?

Method 1: Convert Fraction to Percent Directly

Step 1: First, convert the mixed number to an improper fraction.

3 9/10 = (3 × 10 + 9)/10 = 39/10

Step 2: Divide the numerator (39) by the denominator (10).

39 ÷ 10 = 3.9

Step 3: Multiply the result by 100 to convert to a percentage.

3.9 × 100 = 390%

So, 3 9/10 as a percent is 390%.

Method 2: Convert Fraction to Decimal and Percent

Step 1: Convert the mixed number to an improper fraction as shown above.

3 9/10 = 39/10

Step 2: Divide the numerator by the denominator.

39 ÷ 10 = 3.9

Step 3: Move the decimal point two places to the right to get the percentage.

3.9 becomes 390.

Step 4: Add a percent sign (%) to the result.

The final result is 390%.

Method 3: Use Proportions to Find Percent

Step 1: Set up a proportion where 39/10 is equal to x/100.

39/10 = x/100

Step 2: Cross-multiply to solve for x.

39 × 100 = 10 × x

3900 = 10x

Step 3: Divide both sides by 10 to solve for x.

x = 3900 ÷ 10 = 390

So, 3 9/10 as a percent is 390%.