Problem: How to calculate arbitrage in forex
Understand the foreign exchange market.
The foreign exchange market, commonly referred to as forex, is an international exchange for the trading of currencies. It allows investors (from large banks to individuals and everyone in between) to trade one national currency for another.

Answer: Each trade is both a purchase and a sale, as one currency is sold in order to buy another one. This duality means that each currency is priced only in relation to another currency.

Problem: A man is standing in a room with a hose in his mouth that is attached to a bottle. the male

Answer: then begins to lift the bottle up over his head until he has consumed all of its content and takes it out of his mouth.

Problem: A man is shoveling snow off his driveway in a heavy snow storm. he
Answer: is wearing winter clothing and his fully covered.