SOLUTION: in a bag, there are coins of 25 cents, 11 cents and 5 cents in the ratio of 1:2:3. if there is $30 in all how many 5 cents coins are there?

Question 1134229: in a bag, there are coins of 25 cents, 11 cents and 5 cents in the ratio of 1:2:3. if there is $30 in all how many 5 cents coins are there?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Is "11 cents" coins a misprint? Is that really supposed to be "10 cent" coins?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Put the coins in groups of 1 25-cent coin, 2 10-cent coins, and 3 5-cent coins, according to the given ratio. Each of those groups of coins is worth 1(25)+2(10)+3(5) = 25+20+15 = 60 cents.

If the total value of the coins is $30 = 3000 cents, then the number of those groups of coins is 3000/60 = 50.

So then the number of 5-cent coins is 3*50 = 150.
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