SOLUTION: the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark hasve?
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Question 117968: the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark hasve?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark have?
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2:5 is the same as 2/5
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Proportion:
Let x be the number of coins mark has.
2/5 = x/20
5x = 40
x = 8
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Mark has 8 coins.
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Cheers,
Stan H.
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