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question 1- john has nickels quarters and dimes totaling $3.30,21 coins in all,with one more nickel than dimes.How many of each type of coin does he have?

12 years ago

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Steve
put each clue into symbols

work with the values, and also the numbers of coins:

5n+10d+25q = 330
n+d+q = 21
n = d+1

(n,d,q) = (6,5,10)
12 years ago

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