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A certain mobile-phone video game consists of four puzzles, which players can attempt in any order. No puzzle is part of another. The puzzles, from easiest to most difficult, are:
The puzzles require players to use items of various types. The player begins the game with exactly 3 items, one of each of the following types:
Each of a player's items can be either used once in solving a puzzle or exchanged once for coins—the in-game currency—but not both. Coins are used to purchase items. The player begins the game with 0 coins.
Suppose that the game's designer added to the game a fifth puzzle—the Cave puzzle that requires players to use 1 Lantern and 4 additional items of any type. Assuming that nothing else has changed, which one of the following is the minimum number of coins a player who currently has no items would have to spend to purchase all of the items necessary to solve the Cave puzzle?
15
40
50
55
70
| Information from Dataset | Analysis |
|---|---|
| ""A certain mobile-phone video game consists of four puzzles, which players can attempt in any order. No puzzle is part of another."" |
|
| ""The puzzles, from easiest to most difficult, are: Forest, Desert, Mountain, Ocean"" |
|
| ""The player begins the game with exactly 3 items, one of each of the following types: Compass, Bottle, Rope"" |
|
| ""Each of a player's items can be either used once in solving a puzzle or exchanged once for coins—the in-game currency—but not both."" |
|
| ""Coins are used to purchase items. The player begins the game with 0 coins."" |
|
""15""
""40""
""50""
""55""
""70""
55
15
40
50
55
70