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What is 5 percent of 8.5?

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'P' out of 'W' as a percentage

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Visualizing Through Pie Charts

One way of visualizing 5 percent is through a pie chart. In this example, the orange slice represents the percentage of the whole pie.

5 percent pie chart
5 percent pie chart

Visualizing Percentage with Bar Charts

Another way of visualizing percentages is using a bar chart like the one below. The orange bar represents 5, percent and the full square represents the whole or 100%.

5 percent bar chart
5 percent bar chart

Solution for 'What is 5% of 8.5?'

In the following example, consider that:

Solution Steps

The following question is of the type "How much X percent of W", where W is the whole amount and X is the percentage figure or rate".

Let's say that you need to find 5 percent of 8.5. What are the steps?

Step 1: First determine the value of the whole amount. We assume that the whole amount is 8.5.

Step 2: Determine the percentage, which is 5.

Step 3: Convert the percentage 5% to its decimal form by dividing 5 by 100 to get the decimal number 0.05:

5100 = 0.05

Notice that dividing by 100 is the same as moving the decimal point two places to the left.

5.0 → 0.50 → 0.05

Step 4: Finally, find the portion by multiplying the decimal form found in the previous step by the whole amount:

0.05 x 8.5 = 0.425 (answer).

The steps above are expressed by the formula:

P = W × X%100

This formula says that:

"To find the portion or the part from the whole amount, multiply the whole by the percentage, then divide the result by 100".

The symbol % means the percentage expressed in a fraction or multiple of one hundred.

Replacing these values in the formula, we get:

P = 8.5 × 5100 = 8.5 × 0.05 = 0.425 (answer)

Therefore, the answer is 0.425 is that 5 percent of 8.5.

Sample percentage problems

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