There Are 15 Coins Consisting of Nickels, Dimes, and Quarters

question 50

Multiple Choice

There are 15 coins consisting of nickels, dimes, and quarters which are collected from a newspaper vending machine. The total value of the coins is $1.95 and there are 4 more dimes than quarters. Find the number of each type of coin.

• A) 4 nickels; 6 dimes; 6 quarters
• B) 3 nickels; 8 dimes; 4 quarters
• C) 6 nickels; 9 dimes; 3 quarters
• D) 4 nickels; 10 dimes; 3 quarters

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Definitions:

Threat

A potential cause of harm or negative outcome, often used in strategic contexts to describe a disadvantageous situation that might materialize.

Strategy

A plan of action designed to achieve a long-term or overall aim.

Nash Equilibrium

The point in a game where each player's strategy is optimal given the strategies of all other players, with no incentive to deviate.

Simultaneous Move Game

A type of strategic game in which all players make their decisions at the same time, without knowledge of the other players' choices.