What Is 20 Percent Of 7? - Answer: 1.4

X% OF | X IS WHAT % OF | WHAT % OF X IS Y | X IS Y% OF | % INCREASE | % DECREASE What is 20 percent of 7?

1.4

(20 percent of 7 is 1.4)

What is percent of Calculate Answer:

20 percent of 7 is 1.4. Explanation: What does 20 percent or 20% mean?

Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 20% means 20 out of every 100.

Methods to calculate "What is 20 percent of 7" with step by step explanation:

Method 1: Diagonal multiplication to calculate 20 percent of 7.

1. For 100, our answer will be 20
2. For 7, our answer will be x
3. 100*x = 20*7 (In Step 1 and 2 see colored text; Diagonal multiplications will always be equal)
4. x = 20*7/100 = 140/100 = 1.4

Answer: 20 percent of 7 is 1.4

Method 2: Same side division to calculate 20 percent of 7

1. For 100, our answer will be 20
2. For 7, our answer will be x
3. 100/7 = 20/x (In Step 1 and 2, see colored text; Same side divisions will always be equal)
4. 20/x = 100/7 or x/20 = 7/100
5. x = 7*20/100 = 140/100 = 1.4

Answer: 20 percent of 7 is 1.4

Method 3: Converting Percentage to Decimal to calculate 20 percent of 7

1. Find the decimal equivalent of 20 i.e. 20/100 = 0.2
2. Multiply the decimal equivalent (above) to the given number i.e. 7*0.2 = 1.4

Answer: 20 percent of 7 is 1.4

Percentage examples

Percentages express a proportionate part of a total. When a total is not given then it is assumed to be 100. E.g. 20% (read as 20 percent) can also be expressed as 20/100 or 20:100. Example: If 20% (20 percent) of your savings are invested in stocks, then 20 out of every 100 dollars are invested in stocks. If your savings are $10,000, then a total of 20*100 (i.e. $2000) are invested in stocks.

History of Percentage

Before the Europeans learned about the decimal system, ancient Romans used fractions in the multiples of 1/100. An example was when Augustus levied a tax of 1/100 called centesima rerum venalium on goods sold at auctions. Computation with these fractions was similar to percentages. In the Middle Ages, denominator of 100 became more common. By the 16th century, as decimal system became more common, use of percentage became a standard. It was used to compute profit and loss, interest rates etc.

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