Solve the Problem. -It Is Necessary to Have a 40% Antifreeze Solution in 40

question 3

Multiple Choice

Solve the problem.

-It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 30 liters of 20% solution. How many liters of this should be drained and replaced with 100%
Antifreeze to get the desired strength?

• A) 12 L
• B) 7.5 L
• C) 10.0 LD)15 L

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Definitions:

Tariff

A tax imposed by a government on imported goods, often used to protect domestic industries and adjust trade balances.

Carnations

A species of flowering plant in the Dianthus genus, often used in bouquets and floral arrangements.

Imported

Brought into a country from abroad for sale.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive.