Today, the first day of the eleventh month, we will practice arithmetic skills. To learn or update on domestic finance, let us discuss the elasticity of demand or prices of products and services.

**I**

With the seven important numbers that define November 1 this year

1 1 1 2 0 2 1

to me. Create the number 0, using the least amount of basic arithmetic

NS. Create the number 101, using any operation or mathematical function and parentheses only once.

NS. Find the ordinal number of the day; Write down at least four properties of this natural number.

Explain your answers

**II elasticity of demand**

The elasticity of demand, also known as the price elasticity of demand, is defined as the percentage change in quantity demanded before the percentage change in price. It is usually expressed in absolute terms and has the following form:

Q is the quantity demanded; and P price.

Said quotient can be equal to 1; greater than 1 less than 1.

Unit elasticity demand means that the percentage change in price and quantity demanded are equal, although with the opposite sign: if price increases (decreases), quantity demanded decreases (increases).

If demand is inelastic or rigid, it means that the percentage change in quantity demanded is less than the percentage change in price. Further, the closer the absolute value of price elasticity is to zero, the more insensitive or inelastic the demand for the commodity in question.

Elastic demand, on the other hand, indicates that the percentage change in quantity demanded is greater than the percentage change in price.

Perfectly inelastic demand is that variance in price does not result in any difference in quantity demanded, which always remains constant.

Classify each subsequent case (some real cases), as shown above

to me. If a 1.5-liter tube of yogurt rises from 100 to 120 pesos, and the demand falls from 1,200 to 1020 tubes

NS. If a pound of pork rises from 100 to 200 pesos, and demand falls 100%

NS. If a can of tuna rises from 300 to 420 pesos and demand falls by 10%

Dr.. If the price of a liter of detergent increases by 15% and the demand remains the same.

Explain your answers.

**Third**

Write some “why” for the following statements

to me. The price of the product rises significantly and the demand remains almost the same

NS. The price of a hairdressing service goes up a little and the demand goes down a lot.

**Remember that:**

“The solution that is not important out of your head is better; than from a genius copied on the Internet or from others, especially without understanding it.” NGPA

**Hands and mind to work!**

“Beeraholic. Friend of animals everywhere. Evil web scholar. Zombie maven.”

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