pinky2007
Answered

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A man has 43 coins, All nickels, dimes & quarters. He has one more  than three times as many dimes as he does nickels and twice as many quarters as he does nickels.
How many of each coin does he have ?

Sagot :

Phionex
1 + 3d = n   =>  (n-1) / 3 = d
2n = q
n + d + q = 43
substitute
n + (n-1) / 3 + 2n = 43
n = 13
q = 26
d = 4

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