In a game, Ted has to earn coins. If he gets a gold coin, he gains 20 points, but if by mistake he gets a red coin, he loses 5 points. What is his total score if he gets 19 gold coins and 7 red coins?

345

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340

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435

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545

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Solution

The correct option is A 345
Points gained for each gold coin = 20
So, point gained for 19 gold coins = 20 x 19

Similarly, for each red coin, points lost = 5
i.e., points gained for each raid coins = -5
So, points gained for 7 red coins = (-5) x 7 red coins
Hence, Ted's score :
= (19 x 20) + ((-5) x 7)
= 380 + (-35)
= 380 - 35
= 345

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