Use Least Common Multiple or Greatest Common Divisor to Solve

question 102

Multiple Choice

Use least common multiple or greatest common divisor to solve the problem.
-Planets A, B, and C orbit a certain star once every 2, 5, and 12 months, respectively. If the three planets are now in the same straight line, what is the smallest number of months that must pass Before they line up again?

• A)19 months
• B)120 months
• C)60 months
• D)24 months

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Definitions:

Dollar Appreciate

Refers to the increase in value of the US dollar against other currencies, making foreign goods and services cheaper for US consumers but US exports more expensive for foreign buyers.

Dollar Depreciate

A decline in the value of the U.S. dollar relative to other currencies, resulting in decreased purchasing power internationally.

Weaker Peso

A situation in which the value of the Mexican Peso decreases relative to other currencies.

US Exports

Goods or services produced within the United States and sold to buyers in other countries.